The Path of Air

Question 1

1. Nostrils

Answer 1

They have 4 jobs, entrance and exit for CO2, Filters dust bacteria, etc., heats air, smelling

Question 2

2. Mouth

Answer 2

Entrance and exit for air, get air faster when exercising

Question 3

3. Pharynx (throat)

Answer 3

Located far down, respiratory system and digestive system share it

Question 4

4. Epiglottis

Answer 4

A small flap of tissue that folds over the trachea to prevent food and drink from getting into your lungs

Question 5

5. Larynx

Answer 5

Kown as your “voice box”
Tiny strings that reach across your trachea vibrate when air passes through them

Question 6

6. Trachea

Answer 6

Known as your windpipe
Your trachea is the ‘Trunk of the Tree’
A long tube lined with 18-21 rings of cartilage
Acts like a cushion
Lined with mucus and cilia

Question 7

7. Bronchi

Answer 7

Two passages that direct air into the lungs
You are now entering the lungs

Question 8

8. Bronchioles (Bronchi- OLAYS!)

Answer 8

Smaller tubes that lead to the alveoli
Twigs of the tree (smaller branches)
60,000 bronchioles in each lung- 120,000 total

Question 9

9. Alveoli

Answer 9

Little air sacs that are organized in clusters like grapes
300,000,000 in each lung- 600,000,000 total
If spread out, they would take up the surface area of a tennis court
Where the gas exchange takes place

Question 10

10. Capillaries

Answer 10

Little blood vessels around to alveoli
Acts like a net
Connecting veins to arteries

Question 11

Veins-
Arteries-
Capillaries-

Answer 11

come to me
away
connect