Gas Exchange In The Lungs - biology

Question 1

What does the nose have ?

Answer 1

Cilia to filter dust and dirt it also moistunes and makes the air warm

Question 2

What is the structure of the respirera system ?

Answer 2

Nose
Mouth

Throats
Voicebox
Trachea
Bronchioles
Air sacs - alveoli

Question 3

What is the trachea ?

Answer 3

It is the wind pipe it has C shape cartilages and cilia

Question 4

What does the airs sacs have ?

Answer 4

A large surface area with gas exchange they also have a thin wall and a good blood supply

Question 5

What is the rib cage made out of ?

Answer 5

Bone and muscle

Question 6

What is inhaling

Answer 6

Inhaling is to get oxygen into your body

Question 7

What is exhaling

Answer 7

To remove the carbon dioxide from your body

Question 8

What is respiration ?

Answer 8

It is the process that happens inside cells when glucose is broken down using oxygen into carbon dioxide , water and energy

Question 9

How much carbon dioxide is in inhaled air

Answer 9

0.04 percent

Question 10

What is the word equation of respiration ?

Answer 10

Glucose + oxygen =>carbon dioxide + water

Question 11

How much oxygen is there in inhaled air ?

Answer 11

20.96

Question 12

How much nitrogen is there in inhaled air ?

Answer 12

79 percent

Question 13

How much oxygen is in exhaled air

Answer 13

16 percent

Question 14

How much nitrogen is in exhaled air ?

Answer 14

79 percent

Question 15

How much carbon dioxide is in exhaled air ?

Answer 15

4 percent

Question 16

What happens to the rib cage when you inhale

Answer 16

It goes up and out

Question 17

What happens to the rib cage when you exhale ?

Answer 17

It goes down and in

Question 18

What happens to the diaphragm when you inhale

Answer 18

It flattens

Question 19

What happens to the diaphragm when you exhale

Answer 19

It goes dome shaped

Question 20

What happens to the volume of the lungs when you inhale ?

Answer 20

Increases

Question 21

What happens to the volume of the lungs when you exhale

Answer 21

Decreases

Question 22

What happens to the pressure inside the lungs when you inhale

Answer 22

Decreases

Question 23

What happens to the pressure inside the lungs when you exhale

Answer 23

Increases

Question 24

What can lung volume depend on ?

Answer 24

Excersize , smoking and asthma