Mary Jones and Geoff Jones Solutions for Chapter: Transport in Animals, Exercise 2: Questions
Mary Jones Biology Solutions for Exercise - Mary Jones and Geoff Jones Solutions for Chapter: Transport in Animals, Exercise 2: Questions
Attempt the practice questions on Chapter 9: Transport in Animals, Exercise 2: Questions with hints and solutions to strengthen your understanding. Cambridge IGCSE® Biology Coursebook Third Edition solutions are prepared by Experienced Embibe Experts.
Questions from Mary Jones and Geoff Jones Solutions for Chapter: Transport in Animals, Exercise 2: Questions with Hints & Solutions
List three ways in which the activity of the heart can be monitored.

Explain why our pulse rate is the same as our heart rate?

Look at the given image and say how many heart beats are shown on the ECG trace?

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).

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

Where and what is pacemaker?

Explain what makes your heart beat faster when you exercise.

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