What is the average composition of the fecal waste material?
a. 60 percent water, 10 percent bacteria, 30 percent indigestible, and inorganic matter
b. 45 percent water, 45 percent indigestible and inorganic matter, 10 percent bacteria
c. 75 percent water, 5 percent bacteria, 20 percent indigestible materials, inorganic matter, and epithelial remains
d. 20 percent water, 5 percent bacteria, 75 percent indigestible remains and inorganic matter
Answer: c. 75 percent water, 5 percent bacteria, 20 percent indigestible materials, inorganic matter, and epithelial remains
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The formation of carbonic acid from water and carbon dioxide is catalyzed by _______
A) carbonic hydrolase B) carbonic anhydrase C) bicarbonic anhydrase D) renin
The greater the intensity of stimulation a muscle receives, the more motor units are activated. This is called
A. recruitment. B. oxygen debt. C. fatigue. D. hypertrophy.
There are three gluteal muscles. Select the one that is correctly matched with its primary action
A. Gluteus medius: abducts the thigh B. Gluteus maximus: abducts the thigh C. Gluteus minimus: rotates the thigh
The thick myofilament of the skeletal muscles is made of:
a. sarcomere b. actin c. myosin d. Z-lines