"Wave-like muscle contractions that push contents through the smallintestine#Hair-like projections that cover villi and aid in absorption of nutrients"An enzyme that breaks down fats in the digestive systemSmall, finger-like projections that line the mucosa and act to increasesurface area and absorb nutrients"
#Two molecules, each of which is half new and half old DNA"New RNA only"New DNA only"One molecule with extra DNA, causing the nucleus to divide
"Facilitated diffusion requires the use of sodium-potassium pumps.#Facilitated diffusion requires the use of transport proteins. Simplediffusion does not."Facilitated diffusion is when molecules are moving from an area of highconcentration to an area of low concentration."Facilitated diffusion and simple diffusion are the same thing.
#Maureen's pupils narrow in response to bright light."Jude turns the page of a book he's reading."Michael swats a fly away from his food."Roxanne goes for a walk to stimulate her muscles the day after finishinga marathon.
"ATP production"anabolism#metabolism"catabolism
#Carbon dioxide in the bloodstream"Increased levels of oxytocin"The presence of air after birth"The cutting of the umbilical cord