The system consists of two parts: innate immunity and adaptive immunity.

Which of the following identifies the main culprit for america’s increasing weight gain?

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

What can friends provide to affect mental health positively? a)peer pressureb)challengesc)conflictd)companionship