________ are protein-based substances that enhance digestion by making chemical reactions more likely to happen.
A. Hormones
B. Neurotransmitters
C. Emulsifiers
D. Enzymes
Answer: D
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By routing blood supply through ________, sweat evaporates which cools the skin and underlying blood.
a. blood vessels near the kidneys b. arteries in the cooler extremities of the body c. capillaries just under the skin d. deep veins in the cooler areas of the body e. blood vessels surrounding the lungs
Obesity has been classified as a disorder
a. True b. False Indicate whether the statement is true or false
An example of a central nervous system congenital anomaly is:
a. a heart malformation. b. spina bifida. c. cleft lip. d. tracheoesophageal atresia. e. autism.
During pregnancy, food energy needs increase less than nutrient needs. To achieve this balance, food selection should include _____
a. foods of lower nutrient density b. increased portions of vitamin C-rich foods c. use of whole milk and fatty meats d. decreased portions of vitamin C-rich foods e. decreased portions of calcium-rich foods