Which of the following is the site of contact digestion?
A. The gastric pits
B. The brush border of the small intestine
C. The surface of the gastric mucosa
D. The intestinal crypts
E. The cytoplasm of the small intestinal cells
Answer: B
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What type of blood cell transports oxygen throughout the body?
A) platelet B) osteoblast C) leukocyte D) erythrocyte
How does a depolarizing graded potential lead to the propagation of action potentials?
What will be an ideal response?
Blood flow through a capillary is controlled by a precapillary sphincter, which opens or
closes due to the requirements of the cells supplied by the capillary. Indicate whether the statement is true or false
Homeostasis is a static-state control system within the body
a. True b. False Indicate whether the statement is true or false