won Flashcards
wohho (7 cards)
1
Q
What does respiratory system do?
A
“Respire” means to breathe
we need to breathe therefore this system allows us to breathe.
2
Q
Why do we need to breathe?
A
All of our cells need oxygen to survive
3
Q
INHALE
A
Breathe in, lungs expand
4
Q
EXHALE
A
Breathe out, lungs contract
This is controlled by your DIAPHRAGM. It’s a muscle below your lungs.
5
Q
epiglottis.
A
It’s job is to prevent food from entering your trachea.
6
Q
How do blood cells actually “pick up” oxygen?
A
HEMOGLOBIN
7
Q
alveoli
A
Oxygen is picked up and enters the blood stream, and carbon dioxide is dropped off so it can be exhaled.
