Vocabulary Test: Gas Exchange in Humans

Vocabulary Test: Gas Exchange in Humans

9th Grade

15 Qs

quiz-placeholder

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Vocabulary Test: Gas Exchange in Humans

Vocabulary Test: Gas Exchange in Humans

Assessment

Quiz

Biology

9th Grade

Easy

Created by

faith ming

Used 5+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are alveoli?

Tiny, thin-walled air sacs in the lungs

Divisions of the trachea

Muscles found between the ribs

Specialised cells that secrete mucus

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the breathing rate?

The number of breaths taken per minute

The volume of air in the lungs

The pressure in the thorax

The concentration of oxygen in the air

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of cilia?

Waft substances across the surface of the tissue

Secrete mucus

Contract during inhalation

Exchange respiratory gases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during expiration?

The diaphragm relaxes and the ribcage is pulled down

The diaphragm contracts and the ribcage is raised

Air moves into the lungs

The thoracic pressure falls

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the composition of expired air?

Higher concentration of carbon dioxide

Higher concentration of oxygen

Equal concentration of gases

Lower concentration of water vapour

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of goblet cells?

Secrete mucus

Exchange gases

Contract during breathing

Support the trachea

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the diaphragm?

Separates the thorax and abdomen

Supports the trachea

Controls rib movement

Secretes mucus

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