The period between the start of one heartbeat and the beginning of the next is a single ________.
A) cardiac cycle
B) arrhythmia
C) diastole
D) intermodal pathway
E) systole
cardiac cycle
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The ________________________________________ system functions to protect the body from harmful substances
Fill in the blank(s) with correct word
Within a kidney, which of the following structures is most numerous?
A. Arcuate veins B. Cortical radiate arteries C. Proximal convoluted tubules D. Renal pelves E. Minor calyces
The posterior longitudinal ligament is
A) a paired ligament that connects the laminae of adjacent vertebrae. B) a fibrous band that connects the posterior surfaces of adjacent vertebral bodies. C) a band of fibrous tissue connecting the spinous processes of adjacent vertebrae. D) a longitudinal fibrous band that is attached to the tips of spinous processes from C7 to the sacrum. E) a wide fibrous band that connect the anterior surfaces of the adjacent vertebral bodies.
Aldosterone acts on the __________.
A. proximal convoluted tubule B. medullary portion of the collecting duct C. descending limb of the nephron loop D. distal convoluted tubule E. glomerulus