The heart is found at what level of organization of the cardiovascular system?
A) chemical
B) tissue
C) organ
D) cellular
C
Explanation:
A) Protein contractile fibers are at the chemical level of organization.
B) Cardiac muscle is a type of muscle tissue.
D) Cardiac muscle cells are at the cellular level of organization.
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Glomerular blood flow is unique because it flows
A) through a glomerular portal vein. B) directly from the renal artery into the glomerular capillaries. C) from arteriole to capillary bed to arteriole. D) from arteriole to capillary bed to vasa recta. E) through the peritubular capillaries then into the glomerular capillaries.
Which of the following muscles is involved in producing horizontal wrinkles in the forehead?
A) the medial pterygoid B) the zygomaticus major C) the frontal belly of the epicranius D) the temporalis
A mother breastfeeds her infant. As long as the baby suckles his mother's breast, the mother's mammary glands produce milk. Suckling, the stimulus, increases milk production, the response. This scenario is best described as:
What will be an ideal response?
The leg region (#15) is also known by its anatomical term,
A) tarsal. B) pedal. C) patellar. D) crural. E) carpal.