Why is it useful to have lots of capillaries inside each of the villi? (villi are things on the inner surface of the small intestine)

Why do bacteria thrive even in hostile environments

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated