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