The gelatinous core of an intervertebral disc is called the
A) annulus fibrosus.
B) nucleus pulposus.
C) synovial fluid.
D) gelatinous pulposus.
E) gelatinous fibrosus.
B
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Match the following examples of feedback mechanisms:
1) Blood glucose levels 2) Blood pressure 3) Blood clotting 4) Delivering a baby
The smaller branches of the coronary arteries have some anastomoses between vessels.
Answer the following statement true (T) or false (F)
Cholecalciferol is synthesized within the
A) bone marrow of the skeletal system. B) splenic pulp of the lymphatic system. C) endothelial linings of the cardiovascular system. D) hypothalamus of the nervous system. E) epidermis of the integumentary system.
Aldosterone stimulates the reabsorption of Na+ and secretion of K+ by the ________.
A. distal convoluted tubules B. proximal convoluted tubules C. nephron loops D. proximal and distal convoluted tubules