Organisms Flashcards
1
Q
What do you take in when you breathe in/inhale?
A
You breathe in /inhale oxygen
2
Q
What do you give out after taking in oxygen?
A
You give out carbon dioxide
3
Q
What is your respiratory system?
A
How air travels through your body
4
Q
How can gas exchange occur quickly and easily?
A
- By having a large surface area
- thin walls whatcha are one cell thick
5
Q
When you breathe does your muscle in your chest relax or contract
A
Contract
6
Q
State one point- what happens to our body when we inhale?
A
- muscles between your ribs contract [pulls up your ribcage up and out
- diaphragm contracts-moves down
- volume inside chest increases
- pressure in chest decreases- draws air into lungs.