Chapter 2.2 Movement and exchange of gases

Question 1

The air inhaled into the alveolus has a ( ____ ) concentration compared to concentration of oxygen in ( ___)

Answer 1

1. Higher
2. blood

Question 2

What is the dark red coloured compound known as?

Answer 2

Haemoglobin

Question 3

haemoglobin + oxygen = ?

Answer 3

Oxyhaemoglobin

Question 4

Oxyhaemoblogin is an

Answer 4

unstable compound , bright red colour

Question 5

Oxyhaemoglobin is transported from where to where?

Answer 5

Lungs to heart
Pumped to other parts of the body

Question 6

When the blood reaches the area around the body cell , that has a low concetration of oxygen , what will oxyhaemoglobin do?

Answer 6

Decompose to release oxygen molucules and change back to haemoglobin

Question 7

Diffused oxygen oxidises glucose moleus into ( ___ ) , ( __ ) , ( ___ ), and ( ___ )
Through the process of ( ___ )

Answer 7

Carbon dioxide
Water
Energy
Cellular respiration

Question 8

Carbon dioxide release cells that ( ____ ) into blood capillaries

Answer 8

Diffuses

Question 9

State the four adaptations of alveolar structure

Answer 9

1.Thickness of the walls of alveolus and blood capillaries
2.Moist wall of alveolus
3.Surface area of alveolus
4.Network of capillaries covering the alveolus