X
Living things can survive on The Earyh because there is _____.
air
Air is made up of ____________(around 78% is this)
Nitrogen
Air is made up of ___________(0.03% of this)
Carbon Dioxide
____________ is given out by living things when they carry out their daily activities.
Carbon dioxide
Bonus free points!!!!
You are so lucky!
The process by which air enters and leaves our bodies is known as __________.
breathing
Parts like the __________in nostrils and air tubes are also eseential for the respiratory system to work efficiently.
hairs
When oxygen in the inhaled air reaches the _______, it is absorbed into the ________ and transported to all parts of the body.
lungs, blood
Our breathing rate depends on our ________ and the type of __________ we carry out.
age, activity
Water conatining ____________oxygen enters a fish through its mouth and then passes through its ___________.
dissolved, gills
I'm so sorry...
Deuction of points
During the day when there is more _______, the stomata open. This allows more ___________ to enter thh leaves in order for the plant to make food.
light, carbon dioxide