Why does muscle activity affect the temperature of the body?
A. Muscle activity directs more warm blood to the muscles away from the central core causing a cooling effect on your internal organs.
B. The rate of chemical reactions increases in muscle fibers during contraction, so the rate of heat production also increases.
C. Muscle contraction generates pyrogens which reset the body's internal thermostat to a higher temperature.
D. Increased muscle activity causes a rise in adipose stores which increases the insulation value of the body.
Answer: B
You might also like to view...
This figure shows the muscles of the anterior neck. What muscle does number 1 indicate?
A. Sternocleidomastoid B. Trapezius C. Sternothyroid D. Geniohyoid E. Sternohyoid
Predict the phenotype of a particular individual if the genotype of both parents is TT (T determines tallness, it is dominant; t determines dwarfism, it is recessive)
A) Tt B) the person is short C) TT D) the person is tall
Which type of tissue conducts electrochemical impulses via cells called neurons?
A) epithelial tissue B) muscle tissue C) nervous tissue D) connective tissue E) dense tissue
Lymph originates in blood capillaries that pick up tissue fluid.
Answer the following statement true (T) or false (F)