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NYSExam Vocab List 6

Human Systems: Digestive & Circulatory

digestive system system that breaks down food into soluble nutrients that can be absorbed into the bloodstream
digestive tract a tube in which food travels through the body
accessory organs produce digestive juices that are released into the digestive tract; pancreas, gallbladder, liver
physical digestion food is broken down into smaller pieces by food is broken down by chewing and by the action of the muscles in the digestive tract
chemical digestion food is broken down by enzymes and nutrients are released to be used by the cells
enzymes chemicals that break down food
feces solid waste material
circulatory system system responsible for transporting nutrients, water, and oxygen to the cells and carrying away wastes
blood liquid tissue containing plasma, red and white blood cells, and platelets
plasma liquid part of the blood that carries dissolved nutrients, wastes, and hormones
red blood cells contain hemoglobin
hemoglobin a chemical pigment that carries the oxygen to the cells
white blood cells fight infection
platelets cause clotting (stop bleeding)
blood vessels a network of tubes through which blood flows
arteries carry blood away from the heart
veins return blood to the heart
capillaries connect arteries and veins; where blood and cells exchange materials
lymph watery part of blood that is in the tissue surrounding the capillaries
lymph vessels where lymph is collected and returned to the blood vessels
Created by: kpatelunas