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Penn Foster Anatomy & Physiology Questions and Answers Already Passed
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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...

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  • September 6, 2024
  • 23
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • penn foster anatomy physiology questions and ans

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  • Penn Foster Anatomy & Physiology
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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.

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