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answers
Cardiac muscle contraction is considered to be voluntary
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movement. - CORRECT ANSWERS ✔✔False, it moves involuntarily
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In the gastrointestinal tract, smooth muscle is enriched. -
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CORRECT ANSWERS ✔✔True |\ |\
In our body, approximately 8 liters of intestinal juices are
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secreted into the GI tract daily, but only 100 ml of water is
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secreted into the feces. - CORRECT ANSWERS ✔✔True
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Normal movement of blood flow in the heart is: left atrium-left
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ventricle-lung-right atrium-right ventricle. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\
✔✔False. Right atrium-right ventricle-lung-left atrium-left
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ventricle
Normally, humans have 2 lobes in the right lung and 3 lobes in
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the left lung. - CORRECT ANSWERS ✔✔False. 3 lobes in the right
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lung and 2 lobes in the left lung.
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In the lung, gas exchange occurs mostly at the alveoli. -
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CORRECT ANSWERS ✔✔True |\ |\
, The urinary system is normally composed of two kidneys, two
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ureters and two bladders. - CORRECT ANSWERS ✔✔False. Two
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kidneys, two ureters and one bladder.
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Filtered wastes from the glomerulus will move in the following
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order: Bowman's capsule-proximal tubule-distal tubule-loop of
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Henle-collecting duct. - CORRECT ANSWERS ✔✔False. Bowman's |\ |\ |\ |\ |\ |\ |\
capsule-proximal tubule- loop of Henle-distal tubule-collecting |\ |\ |\ |\ |\ |\
duct.
Both endocrine and nervous systems play important roles in
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controlling the activities of many different organ systems to
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maintain homeostasis. - CORRECT ANSWERS ✔✔True
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Specificity of hormone action in the target cells is determined by
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receptors. - CORRECT ANSWERS ✔✔True |\ |\ |\ |\
The area of nerve axon not wrapped by myelin sheath (non-
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myelinated area) is called nodes of Ranvier where action
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potential is insulated. - CORRECT ANSWERS ✔✔False. Myelin
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sheath insulates action potential. Action potential propagates
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faster by skipping myelinated axon, and jumping from nodes of
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Ranvier to another node. |\ |\ |\
What chemical component of the plasma membrane prevents
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ions from readily and freely moving across the membrane? -
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CORRECT ANSWERS ✔✔Lipids (phospholipids) |\ |\ |\