How long does the average orgasm last?

What body systems are involded in sleep homeostasis

What causes fermentation a. antibodies b. antigens c. microorganisms d. antibiotics

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