Compare and contrast caloric and nutritional needs for people of different genders, activity levels, stages of life, and describe the effects of too many or too few calories in a diet.

Adisease in which scar tissue replaces healthy liver tissue

The outermost layer of your teeth is called the enamel and is made of?

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord