Respiratory

Question 1

Respiratory System

Answer 1

bring air containing oxygen into your body and remove carbon dioxide and water from your body,

Question 2

Lungs

Answer 2

the main organs of the system

Question 3

nose

Answer 3

moistens the air you breathe

Question 4

trachea

Answer 4

windpipe

Question 5

bronchi

Answer 5

the two passages that direct air into the lungs

Question 6

alveoli

Answer 6

tiny thin-walled sacs of lung tissue where gases can move between air and blood

Question 7

Cellular Respiration

Answer 7

Cellular respiration requires oxygen and produces carbon dioxide as a waste product.

Question 8

Breathing

Answer 8

Breathing is the exchange of gases between the inside and outside of the body. The gases exchanged are oxygen and carbon dioxide.

Question 9

Breathing Process

Answer 9

rib muscles and diaphragm contract,chest moves upward and outward as it expands. The air pressure within the lungs lowers, so air moves in. When you exhale, the opposite happens. The muscles relax and the chest lowers. The pressure within the lungs is increased, so air is forced out.

Question 10

Process of Gas Exchange

Answer 10

Gases move between the alveoli and the blood. After air enters the alveoli, oxygen passes through the capillary walls into the blood. At the same time, carbon dioxide and water pass from the blood into the alveoli.