The presence of lacteals and capillaries in villi is important because
A. the villi need nourishment.
B. they are involved in transporting nutrients from the intestine.
C. they are involved in transporting enzymes to the intestine.
D. they increase the surface area of the lining of the intestine.
B. they are involved in transporting nutrients from the intestine.
Biology & Microbiology
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Baleen plates are comprised of: a. keratin
b. calcium. c. hemoglobin. d. myoglobin.
Biology & Microbiology
Which part of the cardiac conduction system fires off impulses at the fastest rate?
a. Purkinje fibers b. Bundle branches c. AV node d. SA node e. gap junctions
Biology & Microbiology
The process of forming an internal vesicle and releasing it from the cell is called
A. endocytosis B. exocytosis
Biology & Microbiology
T or F: The dark banding seen in muscle tissue is the result of actin
What will be an ideal response?
Biology & Microbiology