BIO 201 Exam 1 Rio
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1. What are the six levels 1. Chemical level: Atoms bond to form molecules.
of structural organiza- 2. Cellular level: Molecules combine to form body cells.
tion in the human body, 3. Tissue level: Similar cells form a body tissue.
in order of increasing 4. Organ level: Different tissues combine to form an organ.
complexity? 5. Organ system level: Organs work together to perform body system
functions.
6. Organismal level: Organ systems work together to perform functions
of life.
2. What is the major func- Protects the inner body and includes hair, skin, and nails.
tion of the integumen-
tary system?
3. What does the cardio- Transports oxygen and equalizes temperature; includes the heart and
vascular system do? blood vessels.
4. What is the role of the Secretes hormones and regulates bodily processes; includes glands like
endocrine system? the pituitary and adrenal.
5. What is the primary Delivers oxygen to the blood and removes carbon dioxide; includes the
function of the respira- lungs and nasal passage.
tory system?
6. What does the lymphat- Returns fluid to the blood; includes lymph nodes, thymus, spleen, and
ic system do? lymphatic veins.
7. What is the function of Breaks down food and removes waste from undigested food; includes
the digestive system? stomach, liver, and intestines.
8. What is the main func- Controls water balance in the body and removes waste from blood;
tion of the urinary sys- includes bladder and kidneys.
tem?
, BIO 201 Exam 1 Rio
Study online at https://quizlet.com/_hcec5t
9. What role does the Enables movement and supports the body; includes bones, cartilage,
skeletal system play in and joints.
the body?
10. What is the function of Enables movement and helps maintain body temperature; includes
the muscular system? skeletal muscles and tendons.
11. What are the functions Produces sex hormones and gametes, and delivers gametes to the
of the male reproduc- female; includes testes and epididymis.
tive system?
12. What does the fe- Produces sex hormones and gametes, supports embryo and fetus, and
male reproductive sys- produces milk; includes ovaries and mammary glands.
tem do?
13. What is the role of the Detects and processes sensory information, and activates bodily re-
nervous system? sponses; includes peripheral nerves, brain, and spinal cord.
14. What is the differ- Negative feedback reverses changes to return the body to normal con-
ence between negative ditions, while positive feedback increases changes to reach a desired
and positive feedback outcome.
mechanisms?
15. Give an example of a Body temperature regulation: Nerve cells sense high temperature, the
negative feedback loop. brain's temperature regulator activates sweat glands to increase heat
loss.
16. how is blood pres- if the blood pressure is too high the body will try to lower it, if the blood
sure a negative feed- pressure is too low the body will try to raise it
back loop?
17. Provide an example of a Childbirth: Contractions push the baby toward the cervix, stimulating
positive feedback loop. oxytocin release, which causes stronger contractions.
, BIO 201 Exam 1 Rio
Study online at https://quizlet.com/_hcec5t
18. How does homeostatic When homeostasis is not maintained, it can lead to disease, such as
imbalance relate to dis- decompression sickness.
ease?
19. Define anatomy. The study of the structure of body parts and their relationships.
20. Define physiology. The study of the functions of body parts and how they work.
21. What is the anatomical A standard position of the body used as a reference point, standing
position? upright with arms at the sides and palms facing forward.
22. Anterior (ventral) front of the body
23. posterior/dorsal toward or at the back
24. superior (cranial) toward the head
25. inferior (caudal) away from the head
26. lateral away from the midline
27. medial toward the midline
28. proximal Closer to the point of attachment
29. distal away from the point of attachment
30. superficial near the surface
31. deep away from the surface
32. What are body regions? Specific areas of the body, such as the thoracic region or abdominal
region.
33. What are planes and Planes are imaginary lines that divide the body into sections, such as
sections in anatomy? sagittal, frontal, and transverse planes.
Study online at https://quizlet.com/_hcec5t
1. What are the six levels 1. Chemical level: Atoms bond to form molecules.
of structural organiza- 2. Cellular level: Molecules combine to form body cells.
tion in the human body, 3. Tissue level: Similar cells form a body tissue.
in order of increasing 4. Organ level: Different tissues combine to form an organ.
complexity? 5. Organ system level: Organs work together to perform body system
functions.
6. Organismal level: Organ systems work together to perform functions
of life.
2. What is the major func- Protects the inner body and includes hair, skin, and nails.
tion of the integumen-
tary system?
3. What does the cardio- Transports oxygen and equalizes temperature; includes the heart and
vascular system do? blood vessels.
4. What is the role of the Secretes hormones and regulates bodily processes; includes glands like
endocrine system? the pituitary and adrenal.
5. What is the primary Delivers oxygen to the blood and removes carbon dioxide; includes the
function of the respira- lungs and nasal passage.
tory system?
6. What does the lymphat- Returns fluid to the blood; includes lymph nodes, thymus, spleen, and
ic system do? lymphatic veins.
7. What is the function of Breaks down food and removes waste from undigested food; includes
the digestive system? stomach, liver, and intestines.
8. What is the main func- Controls water balance in the body and removes waste from blood;
tion of the urinary sys- includes bladder and kidneys.
tem?
, BIO 201 Exam 1 Rio
Study online at https://quizlet.com/_hcec5t
9. What role does the Enables movement and supports the body; includes bones, cartilage,
skeletal system play in and joints.
the body?
10. What is the function of Enables movement and helps maintain body temperature; includes
the muscular system? skeletal muscles and tendons.
11. What are the functions Produces sex hormones and gametes, and delivers gametes to the
of the male reproduc- female; includes testes and epididymis.
tive system?
12. What does the fe- Produces sex hormones and gametes, supports embryo and fetus, and
male reproductive sys- produces milk; includes ovaries and mammary glands.
tem do?
13. What is the role of the Detects and processes sensory information, and activates bodily re-
nervous system? sponses; includes peripheral nerves, brain, and spinal cord.
14. What is the differ- Negative feedback reverses changes to return the body to normal con-
ence between negative ditions, while positive feedback increases changes to reach a desired
and positive feedback outcome.
mechanisms?
15. Give an example of a Body temperature regulation: Nerve cells sense high temperature, the
negative feedback loop. brain's temperature regulator activates sweat glands to increase heat
loss.
16. how is blood pres- if the blood pressure is too high the body will try to lower it, if the blood
sure a negative feed- pressure is too low the body will try to raise it
back loop?
17. Provide an example of a Childbirth: Contractions push the baby toward the cervix, stimulating
positive feedback loop. oxytocin release, which causes stronger contractions.
, BIO 201 Exam 1 Rio
Study online at https://quizlet.com/_hcec5t
18. How does homeostatic When homeostasis is not maintained, it can lead to disease, such as
imbalance relate to dis- decompression sickness.
ease?
19. Define anatomy. The study of the structure of body parts and their relationships.
20. Define physiology. The study of the functions of body parts and how they work.
21. What is the anatomical A standard position of the body used as a reference point, standing
position? upright with arms at the sides and palms facing forward.
22. Anterior (ventral) front of the body
23. posterior/dorsal toward or at the back
24. superior (cranial) toward the head
25. inferior (caudal) away from the head
26. lateral away from the midline
27. medial toward the midline
28. proximal Closer to the point of attachment
29. distal away from the point of attachment
30. superficial near the surface
31. deep away from the surface
32. What are body regions? Specific areas of the body, such as the thoracic region or abdominal
region.
33. What are planes and Planes are imaginary lines that divide the body into sections, such as
sections in anatomy? sagittal, frontal, and transverse planes.
