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Worksheets7C - Muscles and Bones
Total questions: 16
Worksheet time: 12mins
Name
Class
Date
1.
Which is a waste product of human respiration?
a)
nitrogen
b)
oxygen
c)
carbon dioxide
d)
argon
2.
What is the organ labelled W?
a)
diaphragm
b)
lung
c)
trachea
d)
oesophagus
3.
When you inhale, what do the muscles next to the ribs do?
a)
Contract to lift the ribs.
b)
Relax to lift the ribs.
c)
Contract to lower the ribs.
d)
Relax to lower the ribs.
4.
What happens to a lot of the oxygen in the lungs?
a)
It is turned directly into nitrogen.
b)
It is turned directly into carbon dioxide.
c)
It enters the blood.
d)
It catches fire.
5.
Sandy counted 25 beats of her pulse on her wrist in 20 seconds. What was her pulse rate in beats per minute?
a)
25 beats
b)
45 beats
c)
75 beats
d)
500 beats
6.
What happens to push blood out of the heart?
a)
The heart muscle contracts to reduce the volume in the heart chambers.
b)
The heart muscle relaxes to reduce the volume in the heart chambers.
c)
The heart muscle contracts to increase the volume in the heart chambers.
d)
The heart muscle relaxes to increase the volume in the heart chambers.
7.
How is oxygen mainly carried by the blood?
a)
in the plasma
b)
on red blood cells
c)
on white blood cells
d)
in veins
8.
Capillaries are adapted to their function by:
a)
being hollow so that they can carry air.
b)
having thick walls so that oxygen and nutrients cannot escape.
c)
having thin walls so that oxygen and nutrients can get out of the blood.
d)
having holes in the walls so that blood can drain out of them.
9.
The drawing shows the bones in a human skeleton. What is bone X used for?
a)
protection
b)
movement
c)
thinking
d)
growing hair
10.
Look at the skeleton in the last question again. What is the name of joint Y?
a)
elbow
b)
knee
c)
shoulder
d)
hip
11.
Larger bones often have spaces inside them so that:
a)
they can be filled with blood.
b)
they can be filled with air.
c)
they can be broken more easily.
d)
they are lighter to move.
12.
In a joint, the part that joins a muscle to a bone is called a:
a)
ligament.
b)
tendon.
c)
cartilage.
d)
cartridge.
13.
Ravi is measuring the force of his hand grip. The units he should use to record his measurements are:
a)
kilograms.
b)
metres.
c)
beats per minute.
d)
newtons.
14.
Which part of the diagram below causes a force to move the lower arm in the direction shown?
a)
A
b)
B
c)
C
d)
D
15.
When standing, your quadriceps muscle swings your lower leg forwards but not backwards. Why?
a)
Your lower leg can’t swing backwards.
b)
The quadriceps muscle can only pull in one direction.
c)
The quadriceps muscle can only push in one direction.
d)
The quadriceps muscle is too weak.
16.
The action of muscles is controlled by:
a)
blood from the circulatory system.
b)
thoughts from the brain.
c)
movements of the locomotor system.
d)
impulses from the nervous system.
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