Which of the following is an example of convection?
A. Warming a chair by sitting in it
B. Infrared radiation
C. Exposure of the body to cold air
D. Losing water to the air
E. Sweating
Answer: C
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Describe the dorsal respiratory group (DRG)
What will be an ideal response?
Surface area in the nasal cavity is increased by the presence of ________.
A. olfactory folds B. conchae C. microvilli D. choanae
Besides controlling metabolic rate, thyroid hormone has many functions. These include ________
A) stimulating production of sex cells (egg an sperm) and secondary sex characteristics B) regulation of growth and development, and maturation of the nervous system C) regulation of blood calcium, and release of calcium from bones D) enabling the body to resist both short-term and long-term stressors
Which muscle tissue(s) can contract without the need for nervous stimulation?
A. Skeletal, smooth, and cardiac muscle B. Cardiac muscle only C. Smooth and cardiac muscle D. Skeletal muscle only E. Smooth muscle only