That In the small intestine, the villi are
of the
O A. folds / mucosa / increase the surface area
OB. glands / mucosa / secrete enzymes
C. glands / submucosa / secrete mucus
OD. folds / sumucosa / absorb nutrients
A Moving to the next question prevents changes to this answer.
O
hp

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

Which of the following is a health risk associated with ground-level ozone? a. cataractsb. skin cancerc. respiratory illnessd. all of the above

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