Which is an environmental substance that can contribute to the development of cancer?
A) carcinogen
B) oncogene
C) genetic mutation
D) heredity
A
Explanation: A) Correct!
B) An oncogene is not an environmental substance.
C) A genetic mutation is not an environmental substance.
D) Heredity is not an environmental substance.
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_____ consists mostly of water, which carries nutrients, wastes, ions, hormones, clotting factors, albumin and antibodies
Fill in the blank with the right word.
Cardiovascular diseases are the second leading cause of death in the US.
Answer the following statement true (T) or false (F)
Muscular strength is
A. the ability to move joints to bend, stretch, and twist. B. the ability of a muscle to exert a maximal force against resistance. C. the relative amounts of fat and lean body tissue that comprise the body. D. activities that use muscles in warm-up that will be used in the conditioning bout.
The latest data on adult participation in physical activity reveals that:
A. physical activity was greatest among the lowest socioeconomic groups. B. over 50% of adults participated in no physical activity during their leisure time. C. approximately 25% of adults reported participating in leisure-time physical activities. D. just under 50% of adults reported participating in leisure-time physical activities.