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body systems

body systems parts and functions for year 8

TONGUE? a muscle that helps chew and swallow food
MOUTH? (digestive system) where the food is broken down so it is easier to swallow
PHARYNX? a muscle that moves food and drink from the mouth to the esophagus
ESOPHAGUS? a muscle that pushes food and drink to the stomach
STOMACH? a 'container' to start digestion and move food and drink to the intestine in a controlled way
PANCREAS? creates enzymes and digestive juices
SMALL INTESTINE? where 90% of digestion and absorption of nutrients occurs
ANUS? an opening at the end of the digestive system where waste leaves the body
RECTUM? the last straight section of the large intestine used to store waste before leaving
LARGE INTESTINE? absorbs liquid from the indigestible food and gets rid of waste
GALLBLADDER? stores bile needed to digest food
LIVER? filters blood coming through the digestive system then passes it to the rest of the body. also dioxides chemicals and drugs
ENZYMES? a substance that is used as a catalyst and help make reactions happen within the body
MOUTH? (respiratory system) where air is inhaled and exhaled into the body
NASAL CAVITY? two holes that supply air to the body and get rid of the waste air.
TRACHEA? a large membranous tube surrounded by rings of cartilage, traveling from the mouth to the lungs
BRONCHI? major air passages in the lungs
LUNGS? two sacks inside the rib cage where air goes as it is transferred to the blood.
SUPERIOR VENA CAVA? large veins that carries oxygenated blood to the heart from the head, arms and upper body
INFERIOR VENA CAVA? large veins that carries oxygenated blood to the heart from the lower body
CAPILLARIES? small branching blood vessels that carry blood between the arterioles and venules. there are capillaries of the left lung, capillaries of the right lung, capillaries of the arms and head and capillaries of the lower organs and legs
AORTA? the main artery of the body that carries oxygenated blood around the circuitry system. it passes over the heart and down the front of the backbone
PULMONARY VEIN? a vein that carries oxygenated blood from the lungs to the left atrium of the heart.
PULMONARY ARTERY? an artery that carries blood from the right ventricle of the heart to the lungs to be oxygenated
ARTERIES? a tube which carries oxygenated blood from the heart to the body
VEINS? a tube which carries de-oxygenated blood from the body to the heart to be pumped to the lungs
HEART? a muscular organ that pumps blood around the body. it has two chambers; left and right
PARTS OF THE HEART? right atrium, right ventricle, left atrium and left ventricle
RIGHT ATRIUM? receives deoxygenated blood from the body and pumps it to the right ventricle
RIGHT VENTRICLE? pumps de-oxygenated blood to the lungs to be re-oxygenated
LEFT ATRIUM? receives oxygenated blood from the lungs and pumps it to the left ventricle
LEFT VENTRICLE? pumps the oxygenated blood to the body
which chamber of the heart in BIGGER and WHY? left, because it must pump blood around the whole body
Created by: EllieZeckendorf



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