Respiratory System

Question 1

Mouth and nose

Answer 1

Oxygen rich air enters body, warmed

Question 2

Trachea

Answer 2

Tube that enters chest. Allows air to flow from mouth to bronchi to lungs. Kept open by cartilage rings. When dust and germs enter, mucus lining traps the, cilia get rid of them.

Question 3

Bronchi

Answer 3

Trachea split into two tubes=bronchi. Connect to each lung. Can divide further into smaller tubes that connect to alveoli.

Question 4

Lungs

Answer 4

Main organs of breathing

Question 5

Alveoli

Answer 5

Surrounded by capillaries where GE takes place

Question 6

Diaphragm

Answer 6

• dome shaped
• enables breathing
• main muscle used for breathing

Question 7

Asthma

Answer 7

Caused by allergies that inflame and narrow airways

Question 8

Lung cancer

Answer 8

Smoking or severe air pollution

Question 9

Bronchitis

Answer 9

Swelling of lining of bronchi due to infection, causes coughing, makes it difficult to breathe

Question 10

Pneumonia

Answer 10

Infection in lungs, alveoli fill with fluid

Question 11

TB

Answer 11

Infectious disease caused by the bacteria, Mycobacterium

Question 12

Purpose

Answer 12

• supply cells with oxygen

* remove carbon dioxide