17. In which blood vessels does the blood transfer food substances and oxygen to cells and
remove carbon dioxide and other wastes?
A. in the venules
C. in the capillaries
B. B. in the veins
D in the arteries
18. Which part of nerve picked up the stimulus?
A. sensory nerve
C. spinal cord
B. motor nerve
D. association nerve
remove carbon dioxide and other wastes?
A. in the venules
C. in the capillaries
B. B. in the veins
D in the arteries
18. Which part of nerve picked up the stimulus?
A. sensory nerve
C. spinal cord
B. motor nerve
D. association nerve
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Answer:
17. C. in the Capillaries
18. Sensory nerves
Explanation:
Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances.
Capillaries absorb oxygen from inhaled air into the bloodstream and release carbon dioxide for exhalation. In other parts of the body, oxygen and other nutrients diffuse from blood in the capillaries to the tissues they supply. The capillaries absorb carbon dioxide and other waste products from the tissues and then flow the deoxygenated blood into the veins.
Sensory neurons can be classified by the type of stimulus that generates a response in the receptor.
During vision, rod and cone photoreceptors respond to light intensity and color.
During hearing, mechanoreceptors in hair cells of the inner ear detect vibrations conducted from the eardrum.
During taste, sensory neurons in our taste buds detect chemical qualities of our foods including sweetness, bitterness, sourness, saltiness, and umami (savory taste).
During smell, olfactory receptors recognize molecular features of wafting odors. During touch, mechanoreceptors in the skin and other tissues respond to variations in pressure.