Please answer all 4 questions thank you!

1) During lipid digestion, emulsification occurs in the__________________, whereas formation of chylomicrons occurs in the_____________________.

		lumen of the small intestine; lacteals
		epithelial cells that line the wall of the small intestine;lacteals
		lumen of the small intestine; lumen of the large intestine
		lumen of the small intestine; epithelial cells that line thewall of the small intestine
		lumen of the stomach; lumen of the small intestine

2) Mass movements of fecal matter through the colon aretriggered by ___________________.

		pressure applied to the ileocecal valve as undigested matterenters the cecum.
		bacteria that reside in the colon
		sympathetic innervation
		the gastrocolic and duodenocolic reflexes that are triggered bydigesta entering the stomach and duodenum.
		the hormone, secretin

3) Individual amino acids and glucose enter the cells that linethe lumen of the digestive tract via ___________________.

		primary active transport
		sodium-linked secondary active transport
		simple diffusion
		facilitated diffusion
		endocytosis

4) Digestion can be divided up into mechanical and chemicalprocesses. The primary function of mechanical processes is to

		make food particles small enough so that they can beabsorbed.
		make food particles smaller so that more surface area is exposedto digestive chemicals.
		break bonds between atoms in molecules.
		activate digestive enzymes.
		separate digestible from indigestible materials.