In the diagram, which one represents carrier-mediated facilitated diffusion?
a) A
b) B
c) C
d) Both A and C
e) Both B and C
Answer: c
Anatomy & Physiology
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Cramps in a muscle can be caused by ________.
A. ionic imbalances B. a blow to the muscle C. a lack of ATP D. All of the choices are correct.
Anatomy & Physiology
What is the function of the auditory tube?
A) to house the adenoids B) to resonate sounds C) to amplify sounds before they enter the inner ear D) to drain excess perilymph if it builds up in the inner ear E) to allow pressure equalization on both sides of the tympanic membrane
Anatomy & Physiology
How many types of cells does the human body have?
A. 25 B. 300 C. 100 D. 4
Anatomy & Physiology
Which of these is considered a "gatekeeper" that regulates the passage of materials in or out of the cell?
A. Cilia B. Lysosome C. Flagellum D. Plasma membrane E. Cholesterol molecule
Anatomy & Physiology