1.
Rids the body of nitrogen-containing wastes
Correct Answer
C. Urinary
Explanation
The urinary system is responsible for eliminating nitrogen-containing wastes from the body. These wastes are produced as a result of the breakdown of proteins in the body. The kidneys, which are part of the urinary system, filter the blood and remove these waste products, along with excess water and other substances, to form urine. The urine is then transported through the urinary tract and expelled from the body. Therefore, the urinary system plays a crucial role in maintaining the balance of waste products and fluids in the body.
2.
Is affected by removal of the adrenal gland
Correct Answer
A. Endrocrine
Explanation
The endocrine system is responsible for producing and regulating hormones in the body. The adrenal glands, which are part of the endocrine system, produce hormones such as cortisol and adrenaline. These hormones play a crucial role in regulating metabolism, immune response, and stress levels. Therefore, the removal of the adrenal gland would significantly impact the endocrine system and its ability to produce these hormones, leading to various physiological and hormonal imbalances.
3.
Protects and supports body organs; provides a framework for muscular action
Correct Answer
C. Skeletal
Explanation
The skeletal system protects and supports body organs by providing a rigid framework. It also plays a crucial role in muscular action, as muscles are attached to bones and rely on them for movement and stability. The skeletal system consists of bones, cartilage, ligaments, and tendons, all working together to provide structure, protection, and support to the body.
4.
Includes arteries and veins
Correct Answer
A. Cardiovasculor
Explanation
The correct answer is "cardiovascular" because it is the only option that includes both arteries and veins. The cardiovascular system is responsible for the circulation of blood throughout the body, with arteries carrying oxygenated blood away from the heart and veins carrying deoxygenated blood back to the heart. The other options listed, such as digestive, endocrine, integumentary, and lymphatic, do not involve arteries and veins in their functions.
5.
Composed o"ductless glands" that secrete hormones
Correct Answer
B. Endocrine
Explanation
The correct answer is "endocrine" because the term "ductless glands" and the mention of secreting hormones are characteristics of the endocrine system. The endocrine system is responsible for producing and releasing hormones into the bloodstream, which then travel to target cells or organs to regulate various bodily functions.
6.
External body covering
Correct Answer
A. Integumentary
Explanation
The term "integumentary" refers to the external body covering, which includes the skin, hair, nails, and glands. This system plays a crucial role in protecting the body from external threats such as pathogens, UV radiation, and dehydration. It also helps regulate body temperature, excrete waste products, and provide sensory information. Therefore, the correct answer is "Integumentary."
7.
Houses cells involved in body immunity
Correct Answer
B. LympHatic
Explanation
The lymphatic system is responsible for maintaining body immunity. It houses cells such as lymphocytes and macrophages, which are involved in the immune response. These cells help to identify and destroy pathogens, toxins, and abnormal cells, protecting the body from infections and diseases. The lymphatic system also plays a role in the absorption and transportation of fats, as well as the removal of waste products from tissues. Therefore, the lymphatic system is the correct answer as it is directly involved in body immunity.
8.
Breaks down ingested food into its absorbable units
Correct Answer
E. Digestive
Explanation
The digestive system is responsible for breaking down ingested food into its absorbable units. This process involves the mechanical and chemical breakdown of food in the mouth, stomach, and small intestine, where nutrients are absorbed into the bloodstream. The digestive system also eliminates waste products through the rectum and anus. The other options listed (lymphatic, integumentary, endocrine, cardiovascular) are not directly involved in the breakdown of food or absorption of nutrients.
9.
Loads oxygen into the blood
Correct Answer
C. Respiratory
Explanation
The respiratory system is responsible for loading oxygen into the blood. It consists of organs such as the lungs, trachea, and diaphragm, which work together to facilitate the exchange of oxygen and carbon dioxide between the air and the bloodstream. Through the process of respiration, oxygen is taken in and transported to the body's cells, where it is used for various metabolic processes. Therefore, the respiratory system plays a crucial role in ensuring that the body receives an adequate supply of oxygen for proper functioning.
10.
Uses blood as a transport vehicle
Correct Answer
A. Cardiovascular
Explanation
The cardiovascular system is responsible for transporting blood throughout the body. It consists of the heart, blood vessels, and blood. The heart pumps oxygenated blood from the lungs to the rest of the body, delivering nutrients and removing waste products. It also carries hormones and other substances necessary for maintaining homeostasis. The blood vessels, including arteries, veins, and capillaries, provide a network for blood to flow. Therefore, the cardiovascular system is the correct answer because it uses blood as a transport vehicle.
11.
Generates body heat and provides for locomotion of the body as a whole
Correct Answer
C. Muscular
Explanation
The muscular system is responsible for generating body heat and providing locomotion for the body as a whole. Muscles produce heat as a byproduct of their contractions, which helps to regulate body temperature. Additionally, muscles work together to allow movement and provide stability and support for the body. This includes activities such as walking, running, and lifting objects. Therefore, the muscular system is the correct answer in this context.
12.
Regulates water and acid-base balance of the blood
Correct Answer
B. Urinary
Explanation
The urinary system regulates water and acid-base balance of the blood. It consists of the kidneys, which filter waste products and excess water from the blood to form urine. The urine then travels through the ureters to the bladder, where it is stored until it is eliminated from the body through the urethra. The kidneys also play a role in regulating blood pressure and producing hormones that stimulate red blood cell production. Overall, the urinary system is essential for maintaining the body's fluid and electrolyte balance and removing waste products from the bloodstream.
13.
Necessary for childbearing
Correct Answer
C. Reproductive & integumentary
Explanation
The correct answer is reproductive & integumentary. The integumentary system includes the skin, hair, nails, and glands. While the reproductive system is responsible for childbearing, the integumentary system plays a role in protecting the reproductive organs and maintaining their health. It provides a barrier against pathogens and physical damage, regulates body temperature, and produces sweat and oil that help keep the reproductive organs functioning properly.
14.
Is damaged when you fall and scrape your knee
Correct Answer
D. Integumentary
Explanation
When you fall and scrape your knee, the integumentary system is damaged. The integumentary system includes the skin, nails, and hair, and its main function is to protect the body from external factors such as injuries, infections, and dehydration. When you scrape your knee, the skin is damaged, which is a part of the integumentary system. The integumentary system also helps in regulating body temperature and preventing the loss of body fluids.
15.
Lymph nodes, spleen, lymphatic vessels
Correct Answer
B. LympHatic
Explanation
The lymphatic system is responsible for maintaining fluid balance, filtering out harmful substances, and fighting infections. It consists of lymph nodes, spleen, and lymphatic vessels. The other options listed (respiratory, skeletal, endocrine, reproductive) are all systems that perform different functions in the body and are not directly related to the lymphatic system. Therefore, the correct answer is lymphatic.
16.
Bones, cartilages, ligaments
Correct Answer
D. Skeletal
Explanation
The given answer "skeletal" is correct because bones, cartilages, and ligaments are all components of the skeletal system. The skeletal system provides support and structure to the body, protects vital organs, and allows movement through the attachment of muscles. The other options listed (lymphatic, endocrine, muscular, cardiovascular) do not include bones, cartilages, and ligaments as their main components.
17.
Thyroid, thymus, pituitary
Correct Answer
C. Endocrine
Explanation
The given answer "endocrine" is correct because the thyroid, thymus, and pituitary are all glands that are part of the endocrine system. The endocrine system is responsible for producing and secreting hormones that regulate various bodily functions, including reproductive, cardiovascular, skeletal, and urinary systems. Therefore, "endocrine" is the most appropriate category for these glands.
18.
Trachea, bronchi, alveoli
Correct Answer
A. Respiratory
Explanation
The given answer "respiratory" is correct because the trachea, bronchi, and alveoli are all part of the respiratory system. The trachea is a tube that carries air from the throat to the lungs, the bronchi are two branches that lead from the trachea into the lungs, and the alveoli are tiny air sacs within the lungs where gas exchange takes place. Together, these structures play a crucial role in the process of breathing and oxygen exchange in the body.
19.
Uterus, ovaries, vagina
Correct Answer
D. Reproductive
Explanation
The given answer "reproductive" is correct because the organs listed - uterus, ovaries, and vagina - are all part of the reproductive system. These organs are involved in the processes of menstruation, fertilization, pregnancy, and childbirth. The reproductive system is responsible for the production and transportation of gametes (sperm and eggs) and the development of offspring.
20.
Arteries, veins, heart
Correct Answer
B. Cardiovascular
Explanation
The given answer, cardiovascular, is the correct choice because it refers to the system that includes the arteries, veins, and heart. This system is responsible for transporting blood and oxygen throughout the body. The other options, respiratory, skeletal, reproductive, and nervous, are all different systems in the body that serve different functions. Therefore, cardiovascular is the most appropriate answer in this context.
21.
Stomach
Correct Answer
A. Abdominopelvic
Explanation
Select correct body cavity
22.
Esophagus
Correct Answer
D. Thoracic
Explanation
The given answer "thoracic" is correct because the term refers to the thoracic region, which is the upper part of the trunk between the neck and the abdomen. The esophagus, a muscular tube that carries food from the throat to the stomach, is located within the thoracic region. The other options, such as abdominopelvic, cranial, and spinal, do not specifically relate to the location of the esophagus.
23.
Large intestine
Correct Answer
A. Abdominopelvic
Explanation
The large intestine is located in the abdominopelvic region of the body. The abdominopelvic region refers to the lower part of the abdomen and the pelvic area. It is the area where the large intestine is situated, along with other organs such as the bladder and reproductive organs. The cranial, spinal, and thoracic regions are not related to the location of the large intestine.
24.
Liver
Correct Answer
A. Abdominopelvic
Explanation
The term "abdominopelvic" refers to the region of the body that includes both the abdomen and the pelvis. This region is located below the thoracic region (which includes the chest) and above the cranial and spinal regions (which refer to the head and the spine, respectively). The liver is an organ that is located in the abdominopelvic region, making it the correct answer.
25.
Spinal cord
Correct Answer
C. Spinal
Explanation
The spinal cord is the correct answer because it is a part of the central nervous system that is located within the spinal column. It is responsible for transmitting signals between the brain and the rest of the body. The other terms listed - abdominopelvic, cranial, and thoracic - are not directly related to the spinal cord.
26.
Urinary bladder
Correct Answer
A. Abdominopelvic
Explanation
The correct answer is abdominopelvic because it is the only option that is related to the urinary bladder. The urinary bladder is located in the lower part of the abdomen and pelvis, which is known as the abdominopelvic region. The other options, cranial, spinal, and thoracic, are not relevant to the location of the urinary bladder.
27.
Heart
Correct Answer
D. Thoracic
Explanation
The term "thoracic" refers to the thorax or chest area of the body. It is one of the major divisions of the human body along with the abdominopelvic, cranial, and spinal regions. The thoracic region contains vital organs such as the heart, lungs, and major blood vessels. Therefore, the correct answer is "thoracic" because it is a relevant division of the body that includes the heart.
28.
Trachea
Correct Answer
D. Thoracic
Explanation
The trachea is a tube-like structure that connects the larynx to the bronchi in the respiratory system. It is responsible for allowing air to pass in and out of the lungs. The other options, abdominopelvic, cranial, and spinal, do not relate to the trachea or its function. However, the thoracic region is the area of the body where the trachea is located. Therefore, the correct answer is thoracic.
29.
Brain
Correct Answer
B. Cranial
Explanation
The term "cranial" refers to the skull or head region of the body. The brain is housed within the cranial cavity, which is formed by the bones of the skull. Therefore, the correct answer is cranial because it is the region specifically associated with the brain.
30.
Rectum
Correct Answer
A. Abdominopelvic
Explanation
The term "abdominopelvic" refers to the region of the body that includes both the abdomen and the pelvis. This region is located below the thoracic (chest) region and above the cranial (head) region. The rectum, which is part of the digestive system, is located within the abdominopelvic region. Therefore, the answer "abdominopelvic" is correct because it accurately describes the location of the rectum.
31.
The five levels of organization of a living body, beginning with the cell (3 blanks) and organism
Correct Answer
tissue, organ, organ system
Explanation
The correct answer is tissue, organ, organ system. In the organization of a living body, cells are the basic building blocks. Tissues are groups of similar cells that work together to perform a specific function. Organs are composed of different types of tissues working together to carry out a particular function. Organ systems are groups of organs that work together to perform a specific function for the entire organism. Therefore, the correct order of organization is from cells to tissues, then organs, and finally organ systems.
32.
Define organ
Correct Answer
a structure composed of two or more tissue types that performs a specific function in the body.
Explanation
The correct answer defines an organ as a structure made up of multiple types of tissues that work together to carry out a particular function in the body. Organs are essential components of various systems in the body and are responsible for performing specific tasks necessary for the overall functioning and survival of an organism.