The heat-promoting center is located in the hypothalamus, which triggers shivering
Indicate whether the statement is true or false
TRUE
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The latissimus dorsi ________
A) extends, adducts, and medially rotates the shoulder B) depresses and protracts the shoulder C) extends, flexes, abducts, and medially and laterally rotates the shoulder D) protracts the shoulder and rotates the scapula
The vertebral notch is
A. a concavity superior and inferior to each pedicle. B. a concavity superior and inferior to each lamina. C. involved in forming the intervertebral foramina. D. a and c E. b and c
The complement system
a. consists of plasma proteins produced by the liver that circulate in the blood in inactive form b. is the primary mechanism activated by antibodies to kill foreign cells c. can be activated by antibodies and/or antigens d. is considered a nonspecific defense e. has all of the above characteristics
Which of the following skin changes is usually associated with aging?
A. Loss of subcutaneous tissue contributes to sagging of the skin. B. The amount of collagen in the dermis increases. C. Localized increase in sebaceous glands leads to dry skin. D. There is an increase in the number of elastic fibers in the skin. E. Skin becomes thicker.