gas exchange

Question 1

what are the parts of the reproductive system?

Answer 1

trachea, bronchus, bronchiole, alveoli, rib and diaphragm

Question 2

What is the trachea?

Answer 2

windpipe

Question 3

what is the bronchus?

Answer 3

branches

Question 4

what is a bronchiole?

Answer 4

the mini branches attached to the bronchus

Question 5

what is a alveoli?

Answer 5

air sacks where aerobic respiration happens

Question 6

what is the rib?

Answer 6

Intercostal muscles, when they contract, they pull the ribs up. when they relax, the ribs move down

Question 7

what is the diaphragm?

Answer 7

a muscle. it moves up when it relaxes and down when it contracts.

Question 8

what is breathing?

Answer 8

a process of getting air in and out of the lungs

Question 9

what happens when you breathe in?

Answer 9

the external intercostal muscles pull the ribs up and the diaphragm moves down

Question 10

what happens when you breathe out?

Answer 10

the diaphragm moves up and the external intercostal muscles relax, another term for this is called expiration

Question 11

what else happens when you breathe in?

Answer 11

air goes down the trachea, through the bronchi, through the bronchioles and into the small air sacks called alveoli, that’s where gas exchange happens