This hormone affects the onset of puberty and also regulates the sleep-wake cycles.

A. Testosterone
B. Estrogen
C. Thymosin
D. Melatonin


Answer: D

Health & Biomechanics

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The relative proportions of fat tissue and lean tissue in your body is called

A) the fat-to-lean ratio. B) body mass index. C) body composition. D) body constitution.

Health & Biomechanics

Distinguish physical activity from exercise

Health & Biomechanics

Herbert Spencer

A. focused his energy around the use of excess energy. B. believed play was a basic instinct. C. believed in Darwin's theory of evolution and the role of play in it. D. was an early advocate of play as part of education. E. All of the answers are correct.

Health & Biomechanics

Meditation _________

A. increases the consumption of oxygen B. decreases the skin's resistance to passage of electrical current C. decreases cardiac output D. increases brain wave frequency

Health & Biomechanics