HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Work out how long one heart beat lasts. (You need to measure between two identical points on two consecutive beats =for example between Q points - and then use the scale to convert this to seconds).

Question Image

Important Questions on Transport in Animals

HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.16

Why does your heart need to beat faster when you do exercise?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.17

Where and what is pacemaker?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.18

Explain what makes your heart beat faster when you exercise.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.19

Describe and explain the action of the atrioventricular valves during ventricular systole.

EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.20

Which type of blood vessels carry blood away from the heart?

EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.20
Which type of blood vessels carry blood towards the heart?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.21

Why do arteries need strong walls?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 9 - Transport in Animals>Questions>Q 9.22

Why do arteries have elastic walls?