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