During moderate exercise cerebral blood flow ________.
A. decreases slightly
B. remains unchanged
C. increases significantly
D. increases slightly
Answer: D
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An accessory organ of the digestive system is the:
a. stomach b. small intestine c. salivary gland d. all of the above organs are accessory organs of the digestive system
What kind of tissue is the forerunner of long bones in the embryo?
fibrocartilage hyaline cartilage elastic connective tissue dense fibrous connective tissue
Milk ejection occurs as a result of stimulation of nerve endings in the ________, which leads to the release of ________ from the pituitary.
A. nipple and areola; prolactin B. mammary acini; oxytocin C. nipple and areola; oxytocin D. nipple and areola; progesterone E. mammary acini; prolactin
When blood is centrifuged and its components separate, the bottom of the tube holds the
A. plasma. B. platelets. C. erythrocytes. D. monocytes. E. buffy coat. F. electrolytes and waste products.