What determines where bone matrix will be remodeled?
A) sex hormones
B) osteoblasts and osteoclasts
C) the pull of gravity and muscles on the skeleton and calcium ion levels in the blood
D) parathyroid hormone (PTH) and calcitonin
E) sodium ion levels in the blood
C
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The term used to describe the inadequate blood flow to a structure caused by obstruction of the blood supply is _________________
Fill in the blank with correct word.
The lymphatic system
A) empties the lymph vessels into the veins near the clavicles. B) has heart-like pumps called lymph nodes. C) can be removed without health consequences. D) stores blood when circulatory demand is low. E) All of the answers are correct.
How does a ligament differ from a tendon?
What will be an ideal response?
How does digestion occur in the large intestine?
A) The mucosa of the large intestine produces enzymes that begin digestion. B) Pancreatic juice flows through the pancreatic duct into the large intestine allowing digestion to occur. C) Bile enters the large intestine through the bile duct. D) No digestive enzymes are produced in the large intestine but digestion continues from the enzymes present that were secreted or produced in the small intestine. E) No digestive enzymes are produced and the digestive enzymes from the small intestine are inactivated in the large intestine so digestion does not occur in the large intestine.