Penn Foster Anatomy & Physiology
Questions and Answers Already Passed
What is the main function of epithelial tissue in the body?
✔✔ To protect, absorb, and secrete substances.
What is the role of the myelin sheath in nerve cells?
✔✔ To insulate the nerve fibers and increase the speed of nerve impulses.
Which system is primarily responsible for transporting nutrients, gases, and wastes throughout
the body?
✔✔ Circulatory system
What is the function of osteoblasts in bone tissue?
✔✔ To build and form new bone tissue.
Which organ in the body is responsible for regulating blood glucose levels?
✔✔ Pancreas
1
,What is the primary role of the synovial fluid in joints?
✔✔ To lubricate the joints and reduce friction during movement.
Which structure in the ear is responsible for detecting sound vibrations?
✔✔ Cochlea
What is the function of the integumentary system?
✔✔ To protect the body, regulate temperature, and provide sensory information.
Which cells are primarily involved in the body's immune response?
✔✔ White blood cells
What is the role of the diaphragm in the respiratory system?
✔✔ To assist in breathing by contracting and relaxing during inhalation and exhalation.
Which hormone is produced by the adrenal glands in response to stress?
✔✔ Cortisol
2
, What is the function of melanin in the skin?
✔✔ To protect the skin from ultraviolet radiation.
Which part of the brain is responsible for coordinating voluntary movements?
✔✔ Cerebellum
What is the role of the spleen in the lymphatic system?
✔✔ To filter blood and help fight infections.
What is the primary function of red bone marrow?
✔✔ To produce red and white blood cells.
Which gland in the body regulates metabolism?
✔✔ Thyroid gland
What is the role of the alveoli in the lungs?
✔✔ To facilitate the exchange of oxygen and carbon dioxide between the air and the blood.
3
Questions and Answers Already Passed
What is the main function of epithelial tissue in the body?
✔✔ To protect, absorb, and secrete substances.
What is the role of the myelin sheath in nerve cells?
✔✔ To insulate the nerve fibers and increase the speed of nerve impulses.
Which system is primarily responsible for transporting nutrients, gases, and wastes throughout
the body?
✔✔ Circulatory system
What is the function of osteoblasts in bone tissue?
✔✔ To build and form new bone tissue.
Which organ in the body is responsible for regulating blood glucose levels?
✔✔ Pancreas
1
,What is the primary role of the synovial fluid in joints?
✔✔ To lubricate the joints and reduce friction during movement.
Which structure in the ear is responsible for detecting sound vibrations?
✔✔ Cochlea
What is the function of the integumentary system?
✔✔ To protect the body, regulate temperature, and provide sensory information.
Which cells are primarily involved in the body's immune response?
✔✔ White blood cells
What is the role of the diaphragm in the respiratory system?
✔✔ To assist in breathing by contracting and relaxing during inhalation and exhalation.
Which hormone is produced by the adrenal glands in response to stress?
✔✔ Cortisol
2
, What is the function of melanin in the skin?
✔✔ To protect the skin from ultraviolet radiation.
Which part of the brain is responsible for coordinating voluntary movements?
✔✔ Cerebellum
What is the role of the spleen in the lymphatic system?
✔✔ To filter blood and help fight infections.
What is the primary function of red bone marrow?
✔✔ To produce red and white blood cells.
Which gland in the body regulates metabolism?
✔✔ Thyroid gland
What is the role of the alveoli in the lungs?
✔✔ To facilitate the exchange of oxygen and carbon dioxide between the air and the blood.
3
