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Skeleton and Circulation 2

In this worksheet, students will test their knowledge of the function of the skeleton, heart and lungs and how lifestyle choices can affect them.

'Skeleton and Circulation 2' worksheet

Key stage:  KS 2

Curriculum topic:  Animals, including Humans

Curriculum subtopic:  Human Circulatory System

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

Animals with a bony skeleton are called vertebrates and humans belong to this group. The skeleton protects, supports and allows movement

 

Human skeleton

 

Bones give bodies their shape and muscles attached to the skeleton work in pairs to create movement.

 

Arm muscles

 

Digested food and oxygen are pumped through our circulatory system by the heart to all parts of the body.

 

The healthy functioning of these organs can be affected by drugs, diet and exercise.

 

Human circulatory system

 

Use this worksheet to help your understanding of the relationship between the normal functioning of the body systems and what can affect or change it.

Match up these body parts with their function:

Column A

Column B

lungs
collect oxygen from the air
brain
carries digested food and gases around the body
heart
a muscular pump
blood
an organ protected by the skull
rib cage
protects soft organs in the chest

The heart is a muscle. All muscles need exercise to remain healthy and grow.

 

Choose THREE activities from the list below which will help to keep the heart healthy.

playing computer games

swimming

sun-bathing

playing rugby

walking to school

Our skeletons grow as we grow. Exercise strengthens our bones.

 

Which food group do we need to include in our diets to grow strong bones?

starchy foods

dairy foods

sugary foods

'Vertebrae' is the scientific name for which bones? 

 

There are two correct answers!

thigh bone

backbone

pelvis

kneecap

spine

Ben wants to answer the question: How does exercise affect heart rate? 

 

What does he need to measure? 

temperature

pulse

how high he can jump

Ben needs help to carry out this investigation.

 

Can you help him with the method by putting these steps in the correct order?

Column A

Column B

Step 1
Recover and repeat
Step 2
Measure pulse after exercise
Step 3
Measure 'resting' pulse
Step 4
Find a strong pulse
Step 5
Skip or run for 3 minutes

Ben wants to extend his investigation by collecting data from other students.

 

To keep the test fair, which variables (factors) must he keep the same?

 

Choose two from the list below.

3 mins of exercise

the type of exercise

hair and eye colour

where on the body the pulse is felt

Ben notices other changes - he warms up as his muscles work and his rate of breathing increases.

 

Tick FOUR of the following things that are happening to Ben as he exercises:

extra blood flow is needed to carry away carbon dioxide

the heart beats faster to take food to the muscles

working muscles produce heat

muscles need extra oxygen

extra heat is lost through the lungs

Rachel wants to make a leaflet informing students how to keep healthy.

 

Under the heading 'HEALTHY HEART' which THREE "Do's and 'Don't's" should she include?

Don't smoke tobacco

Do shop on the internet

Do take regular exercise

Do your maths homework

Don't eat lots of sweet or fatty foods

Do you know many bones there are in the adult human body?

55

140

213

476

  • Question 1

Match up these body parts with their function:

CORRECT ANSWER

Column A

Column B

lungs
collect oxygen from the air
brain
an organ protected by the skull
heart
a muscular pump
blood
carries digested food and gases a...
rib cage
protects soft organs in the chest
EDDIE SAYS
There's so much going on here, for example: blood carries oxygen to the muscles and carries carbon dioxide back to the lungs.
  • Question 2

The heart is a muscle. All muscles need exercise to remain healthy and grow.

 

Choose THREE activities from the list below which will help to keep the heart healthy.

CORRECT ANSWER
swimming
playing rugby
walking to school
EDDIE SAYS
Any activity which makes the heart beat faster is healthy!
  • Question 3

Our skeletons grow as we grow. Exercise strengthens our bones.

 

Which food group do we need to include in our diets to grow strong bones?

CORRECT ANSWER
dairy foods
EDDIE SAYS
Dairy foods contain a mineral called calcium which is essential for strong bones and teeth.
  • Question 4

'Vertebrae' is the scientific name for which bones? 

 

There are two correct answers!

CORRECT ANSWER
backbone
spine
EDDIE SAYS
The backbone or spine is made up of individual bones called vertebrae which allow twisting and bending movements.
  • Question 5

Ben wants to answer the question: How does exercise affect heart rate? 

 

What does he need to measure? 

CORRECT ANSWER
pulse
EDDIE SAYS
Pulse is a measure of the number of heart beats in one minute. This is called the heart rate. It can be felt at certain places on the body. Can you find your pulse? (Try on your wrist).
  • Question 6

Ben needs help to carry out this investigation.

 

Can you help him with the method by putting these steps in the correct order?

CORRECT ANSWER

Column A

Column B

Step 1
Find a strong pulse
Step 2
Measure 'resting' pulse
Step 3
Skip or run for 3 minutes
Step 4
Measure pulse after exercise
Step 5
Recover and repeat
EDDIE SAYS
It is important, first of all, to have a 'base reading' against which any changes can be measured. Next, it is important to collect more than one set of readings, when answering a scientific question, so that any 'unreasonable' results can be spotted.
  • Question 7

Ben wants to extend his investigation by collecting data from other students.

 

To keep the test fair, which variables (factors) must he keep the same?

 

Choose two from the list below.

CORRECT ANSWER
3 mins of exercise
the type of exercise
EDDIE SAYS
The pulse rate is a measure of heart beat and is the same all over the body. Hair and eye colour are not variables in this investigation.
  • Question 8

Ben notices other changes - he warms up as his muscles work and his rate of breathing increases.

 

Tick FOUR of the following things that are happening to Ben as he exercises:

CORRECT ANSWER
extra blood flow is needed to carry away carbon dioxide
the heart beats faster to take food to the muscles
working muscles produce heat
muscles need extra oxygen
EDDIE SAYS
As you exercise you breathe faster because your muscles need more oxygen to produce energy and the carbon dioxide they make needs to be removed. The heat your muscles produce is lost from the blood through the skin and through sweating.
  • Question 9

Rachel wants to make a leaflet informing students how to keep healthy.

 

Under the heading 'HEALTHY HEART' which THREE "Do's and 'Don't's" should she include?

CORRECT ANSWER
Don't smoke tobacco
Do take regular exercise
Don't eat lots of sweet or fatty foods
EDDIE SAYS
Maths homework is important, but not for a healthy heart! A balanced diet is essential. Smoking damages the heart, lungs and circulation.
  • Question 10

Do you know many bones there are in the adult human body?

CORRECT ANSWER
213
EDDIE SAYS
Babies start life with more bones than adults because as we grow, bones grow or 'fuse' together. Just remember we have over 200 - it's a lot of bones!
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