Fish use .......... to take in oxygen gas and get rid of carbon dioxide gas.
mouth
gills
nose
Fish take in water from their.......... and allow water out from their gills.
lungs
Each lung contains ........ which is divided into bronchioles.
bronchus
Pharynx
alveoli.
Our body needs ........... from the air to be able to do different activities.
oxygen
water
carbon dioxide gas
A process by which the air rich in oxygengas enters the lungs through the nose is called..................
inhalation
exhalation
digestion
Gills are considered an example of structural adaptation which allow fish to live.
True
False
The products of respiration process are .........
oxygen gas and water vapor.
carbon dioxide gas and water vapor.
The size of chest cavity in exhalation process becomes......
Enlarges in size .
narrow.
stay the same size .
Inhalation is a process by which the air rich in carbon dioxide gas and water vapor is expelled outside the lungs through the nose.
During exhalation process ,the diaphragm muscle contracts and...............
stays in place
moves down
moves up