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circulatory/respiratory systems

tissue made up of cells fluid and other substances which carries o2 co2 and nutrients through tubes called blood vessels blood
organ that pumps blood heart
o2 carrying pigmen rbc of blood hemoglobin
chamber of heart that recieves blood from body atrium
blood in right atrium is pushed through an_____________ valve into right ventricle atrioventricle
one of twwo large muscular chambers that pump blood out of heart ventricle
squeezes blood out of heart to lungs where co2 is removed and o2 enters right ventricle
blood returns to heart at _______________ then pushed through an a-valve into __________ left atrium/left ventricle
3 types of vessels that carry blood through body arteries, veins, capillaries
carry blood away from heart arteries
carry blood to heart veins
tiny blood vessels that connect arteries to veins capillaries
about_______% of blood is plasma 55%
plasma is a clear liquid that is about_____% water 92%
3 types of blood cells that make up blood RBC, WBC, platelets
full of hemoglobin and carry o2 to body also return co2 to lungs RBC
protect body from disease WBC
blood clots platelets
brings life giving o2 to body and helps get rid of co2 respiratory system
process of bringing o2 in and getting rid of co2 respiration
main organs of gas exchange lungs
air enters body through _______ and __________ mouth, nasal cavities
after air enters body, it flows into pharynx, (throat)
at the base of the pyarynx is larynx (voice box)
attached to larynx is _____________ which carries air into lungs trachea (windpipe)
trache branches into 2 tubes _________ which send air to lungs bronchus
in the lungs, bronchi branch into many tubes , smallest is called bronchiole
at end of each bronchiole is an air sac called__________ which is site for gas exchange alveolus
movement of rib muscles and ______________ pull air into lungs and push air out diaphragm
sheet of muscle that seperates chest cavity from the abdominal cavity diaphragm
controlled by brain stem that detects co2 in blood breathing rate
Created by: lauren233