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Nutrition ll (Excretory system (kidneys, urethra, ureters, bladder),…
Nutrition ll
Excretory system
kidneys
urethra
ureters
bladder
Respiration
obtain
oxygen
expel
carbon dioxide
a process
Respiration and Excretion
Blood vessels
Arteries
veins
Blood Vessels
Capillaries
Sweat, seweat glands
sweat is the liquid
sweat eliminates excess
sweat gland are in the skin
Blood
White blood cells
Red blood cells
Platelets
Blood circulation
Systole
Diastole
constant movement
The respiratory system :
the lungs
air passageways
Respiration
inhalation
exhalation
Pulmonary circulation
pumps blood throught the
pulmonary arteries
movement of blood
Excretion
Elimination of waste substances
The heart
an organ
Ventricles
Atria
Systemic circulation
is the movement of blood
The cirulatory system
Blood circulation