Which vertebral bone does NOT have a body?
A) the atlas
B) the last lumbar
C) the axis
D) the last cervical
A
Explanation:
B) The last lumbar bone does have a body.
C) The axis has a small body.
D) The last cervical vertebral bone does have a body.
Exercise 14: Post-Lab Questions
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Parietal cells secrete
A) pepsinogen. B) gastrin. C) mucus. D) hydrochloric acid. E) enteropeptidase.
Answer the following statements true (T) or false (F)
1. Fluid makes up about 25% of the body weight of the average adult. 2. The percentage of body water increases slightly over the first 10 years of life. 3. No matter how dehydrated the body gets, it will continue to lose water through the lungs and skin. 4. One of the first signs of dehydration is the reduction in the production of saliva. 5. Proteins are considered negative ions.
Sweat cools the body by
A. radiation. B. convection. C. evaporation. D. conduction.
Equal sharing of electrons is a characteristic of a ________ covalent bond, while unequal sharing is in a ________ bond.
A. polar; nonpolar B. nonpolar; polar