Which of the following are benefits of cardiorespiratory fitness?
What will be an ideal response?
Reduction of risk for heart disease
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Mendel called crosses involving two traits ____________________ crosses
Fill in the blank(s) with correct word
Interstitial fluid enters the lymphatic capillaries:a
by diffusion. b. by pinocytosis. c. through pores in the lymph vessel walls. d. due to the hydrostatic pressure of blood. e. through pressure-controlled openings between endothelial cells.
What increases the efficiency of gills extracting dissolved oxygen from the water?
A) the operculum B) blood vessels forcing blood into water C) countercurrent D) the pelvic fin flapping violently
The scrotum is a sac-like structure outside the abdomen in which the testes are suspended. Why is this structure essential?
A. There is too much hormonal influence if they remain in the abdomen. B. There is not enough space in the abdomen to grow properly. C. Lower temperature is required for normal development of sperm. D. Sperm must be closer to the penis to be ejaculated.