Download Delivery Plan – unit 2: Practical Engineering and Communication

Activity Sheet
Chapter 24: The cardiovascular system during exercise
Objectives:

To understand the impact of a healthy active lifestyle on the cardiovascular
system

To be able to explain the immediate and short-term effects of participation
in exercise and physical activity
WHAT IS THE CARDIOVASCULAR SYSTEM?
It consists of the …………………., ……………………….. and ……………… ………………..........
The blood has two main functions:
1. ……………………………………………………………………………………….............................................
2. ……………………………………………………………………………………….............................................
A strong cardiovascular system usually means good cardiovascular fitness. This is the ability to
…………………………………………………………………………………..................................................
Everyone needs a good level of cardiovascular fitness. In the boxes below give three examples of
where good cardiovascular fitness is important for sports performers and three examples for everyday
fitness.
SPORTS PERFORMERS
EVERYDAY FITNESS
CARDIOVASCULAR
SYSTEM
Can you think of any situation in your everyday life where you realised a better level of
cardiovascular fitness would have been beneficial?
_______________________________________________________________________________________________
Edexcel GCSE Physical Education
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Activity Sheet
WHAT EFFECTS DOES EXERCISE HAVE ON THE CARDIOVASCULAR SYSTEM?

It affects HEART RATE.

Heart rate is …………………………………………………………………………………………………………….

There is no ‘normal’ heart rate but ………… beats per minute is considered average.

Find your heart rate by taking your pulse. What is your resting heart rate? ……………………….
The heart makes two beating sounds. The first is called systole and the second is called diastole. A
doctor can hear these with a stethoscope. They sound like lub dub. The diagram below shows the
action of the heart as it beats. In the box describe what happens as each action occurs.

It affects the release of ADRENALINE

This is a ……………………………….

It is the main cause of changes in ………………… ……………… and ……………………… ……………
Use the flow diagram below to describe the chain of events that occurs when exercise begins. One
word has been given for each stage to help you.
EXERCISE
ADRENALINE
HEART BEATS
LIVER
BLOOD
MUSCLES
Edexcel GCSE Physical Education
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Activity Sheet

It affects BLOOD PRESSURE

Blood pressure is ______________________________________________________________________________

It increases during exercise because ___________________________________________________________
_____________________________________________________________________________________________

There are three phases of blood pressure. These are
1. Systolic blood pressure. This is _______________________________________________________________
2. Diastolic blood pressure. This is ______________________________________________________________
3. Pulse pressure. This is _______________________________________________________________________

It affects the build up of LACTIC ACID
The picture below shows a football player suffering from cramp. Describe the series of events that
would have occurred to cause this painful condition.
1.
2.
3.
4.
5.
Exercise causes the following changes to occur in the body. For each one say what happens
with a brief description of why the change occurs
BREATHING
BODY TEMPERATURE
SWEATING
MUSCLES ACHE
Think of a match or training session in which you have been involved. Briefly state at which point in
the session each of the above factors occurred. Did they change at any point in the session?
Edexcel GCSE Physical Education
page 3