Key Points Of The Respiratory System

Question 1

The pathway by which the air travels to the lungs is

Answer 1

The nose
The pharynx
The larynx
The trachea
The bronchus
Bronchials 
The alveoli

Question 2

Where does gaseous Exchange occur

Answer 2

The capillaries of the alveoli

Question 3

What do we breathe in and out

Answer 3

Oxygen is taken in and carbon dioxide is breathed out

Question 4

What is the pathway by which oxygen is taken to the heart

Answer 4

Alveoli
Capillaries
Pulmonary veins
Left atrium

Question 5

What does oxygen combine with in the red blood cells for transportation

Answer 5

Haemoglobin

Question 6

What are the main respiratory muscles

Answer 6

The diaphragm and the intercostals

Question 7

Breathing is controlled by the respiratory centre of the brain, what is it determined bye

Answer 7

The concentration of carbon dioxide in the blood

Question 8

The respiratory system is concerned with

Answer 8

Breathing and the movement of air in and out of the lungs

Question 9

The lungs are the site for the exchange of oxygen and carbon dioxide

Between what

Answer 9

Air.

And

Blood

Question 10

All our cells must obtain oxygen to carry out cell respiration in order to produce what?

Respiration may be the wrong word to check it out VoiceOver on VoiceOver off VoiceOver on

Answer 10

ATP

And eliminate carbon dioxide which is its waste product