Digestive System Deck

• to physically break down food into smaller pieces • to chemically break down food into fat, carbohydrates, and protein • to absorb nutrients into the blood for use in the body • to help maintain the proper amount of water, electrolytes, and other nutrients in the body • to eliminate waste products

• the alimentary canal • the digestive tract • the gastrointestinal tract

swallowing

small piece of tissue hanging from the soft palate

the chewing process

increase the rate of chemical reactions

chewed food mixed with saliva

to close the opening to the air passage to prevent food and liquid from entering it during swallowing

muscular tube that carries the bolus to the stomach in a slow, wave-like motion

the wave of contraction by which food is moved through the rest of the digestive system

valves

cardiac sphincter and the pyloric sphincter

located at the entrance of the stomach

located at the entrance of the small intestine

the mixture of bolus and gastric juices

the first 10-12 inches of the small intestine

middle section of the small intestine, about 8 feet in length

last 12 feet of the small intestine and connects to the large intestine

tiny thread-like projections that increase the area for nutrients to be absorbed

the sphincter that connects the small and large intestines

a pouch at the beginning of the large intestine

middle section of the large intestine

the last 6-8 inches of the large intestine

bacteria that live up in the large intestine and help to form feces out of waste material; produce vitamin K for the body