respiratory system Flashcards
1
Q
what is respiration
A
it’s a cellular respiration that is a series of chemical changes that releases energy in cells.
2
Q
what is the function
A
allows gas exchange
3
Q
cellular respiration
A
a reaction takes place inside the cells of the animals and plants to release energy from their food
4
Q
what does cellular respiration make
A
- water
- carbon dioxide
- energy
5
Q
what is happeing when you are breathing
A
your diaphragm flattens out and your lungs expands when you breathe in, the opposite happens when u breathe out
6
Q
where does gas exchange occur
A
in the alveoli
7
Q
how does it work
A
enters through your moth/nose into trachea
enters lungs from trachea through bronchus
air will split into the bronchus and travels through your bronchules
the air travels into your alveoli
