Respiratory system Test of Knowledge

1

200

Commonly called the windpipe, this structure is strengthened by rings of cartilage.

trachea

250

These air passages divide from the windpipe at the bottom of the trachea.

bronchi

300

What is the name of the large muscle (singular) that pulls air into the lungs?

The diaphragm

400

This is a flap that covers the windpipe and helps keep food and water from entering the lungs.

Epiglotis

500

What are the tiny balloon-like sacs that look like bunches of grapes where carbon dioxide in the blood is exchanged for oxygen?

Alveoli

2

200

smaller branches from the bronchi that enter the lungs

Bronchioles

250

The process by which the gases pass through the walls of the alveoli

Diffusion 

300

Exchange of oxygen and carbon dioxide

respiration

400

Name a common respiratory disease caused by triggering the mucus in the bronchi

Asthma 

500

What is the average number of breaths taken by a normal human per day?

20,000 breaths 

3

200

This process is the result of air rushing into the lungs

Inhalation

250

What is the reason for the blood to become in dark red color? 

its is rich in CO2

300

During inhalation what does the diaphragm do?

Contracts

400

This pulls down and causes air to rush into the chest cavity

Diaphragm

500

Define RESPIRATION

The act of drawing in oxygen and letting out CO2 through gas exchange in the lungs

4

200

from the air sacs/alveoli, where does the oxygen pass into the blood from which blood vessel?

the capillaries

250

Bones that protect the lungs

the Rib cage

300

Hollow organ that allows you to talk and make sounds when air moves in and out

the Larynx

400

The part of the respiratory system that is connected to the nose and mouth and is shared with the digestive system.

Pharynx

500

Which lung is slightly larger than the other and why?

The left one because it is next to the hear

5

200

What is the number one cause of lung disease/damage?

Smoking

250

This happens when something irritates your nose

Sneeze

300

Physical activity causes breathing rate to do what?

Increase

400

What is the sticky coating that is secreted by cells along your respiratory tract?

Mucus

500

Name two thing that nose hairs do.

1. Keeps pathogens out of the nose

2. Warms the air going in