Respiratory system

birds

fish

plants

process of breathing

breathe through

stomata

found on the underside of the leaf

in

out

oxygen

enters through the stomata

found on underside of the leaf

carbon dioxide

leaves through the stomata

into the surroundings

out

in

water with dissolved oxygen

carbon dioxide from different parts of the body

enters mouth, flows past the gills, passes through the walls of blood vessels, enters the blood, carried to the different parts of the body.

carried by the blood through the walls of the blood vessels through the gills into the water

breathe through

process of breathing

lungs

out

in

air enters the nostrils goes to the windpipe branches into air tubes in the lungs passes the blood carried different parts of the body

carbon dioxide in the blood enters air tubes to the lungs through the windpipe and leaves through the nostrils