4.5 Breathing And Gas Exchange (GCSE Biology)

The following is a GCSE Biology test covering '4.5 Breathing And Gas Exchange'

Incorrect: 0

Correct: 0

Question 1

...

Congratulations - you have completed the test!

Your final score was

Below a typical questions that will be covered in this test. You final score will be logged on your account

What gas makes up the highest percentage in inhaled air?

What do intercostal muscles do during inhalation?

Which gas is essential for human respiration?

What is the main job of the ventilation system in humans?

Each alveolus is shaped to:

The concentration gradient between alveoli and blood is maintained by:

What process allows oxygen to pass from the alveoli into the bloodstream?

Where are human lungs located?

Which of the following statements is correct about air breathed out?

Gas exchange in lungs takes place across which structures?

What happens to chest volume during expiration (breathing out)?

Similiar Tests