What hormone, elevated during exercise, increases oxygen consumption?
a. dopamine
b. serotonin
c. acetylcholine
d. norepinephrine
e. epinephrine
e
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Which of the following is not a major joint category?
A. Elastic B. Fibrous C. Cartilaginous D. Synovial E. Bony
The layer of a vessel wall composed mainly of simple squamous epithelium is the tunica __________.
Fill in the blank(s) with the appropriate word(s).
Which one of the following types of neuroglial cells is found in the peripheral nervous system?
A) microglia B) Schwann cells C) oligodendrocytes D) astrocytes
Answer the following statements true (T) or false (F)
1. The wall of the stomach is unique wall because it contains two muscle layers rather than one. 2. When the stomach is empty, its lining lies in folds called chyme. 3. The body of the stomach is the enlarged portion of the stomach that is to the left and above where the esophagus opens into the stomach. 4. The pyloric sphincter regulates the movement of food from the stomach into the small intestine. 5. Plicae and villi increase the surface area of the inner wall of the small intestine.