Y6 Autumn 1 science- the human body

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Lesson 1- he heart- circulation of blood.

The atria (atrium) are...

1 point

1. the lower chambers of the heart.

2. the upper chambers of the heart.

3. the major air tubes of the lungs.

4. the smallest air tubes in the lungs.

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4 points

1. A

2. B

3. C

4. D

Left atrium

right atrium

left ventricle

right ventricle

2 points

Right atrium and ventricle...

Left atrium and ventricle...

1)carry oxygenated blood to the body.

2)carry deoxygenated blood to the lungs.

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Which part of the heart opens and closes to allow blood to pass through?

1 point

1. Valves

2. Atrium

3. Ventricle

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Lesson 2- blood vessels

Match the part to the definition.

3 points

carry deoxygenated blood to the heart/lungs

carry oxygenated blood away from the heart to the body.

transfer oxygen from blood to body tissues

1. Arteries

2. Veins

3. Capillaries

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All cells in our our bodies require oxygen. How is it delivered to them?

1 point

1. By the lungs.

2. By the heart

3. In the blood that is pumped to the body.

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Lesson 3- components of human blood

1. A

2. B

3. C

4. D

White blood cells

red blood cells

platelets

plasma

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Match the definition to the blood component.

4 points

attack and destroy bacteria.

help your body to form clots to stop bleeding.

carries oxygen to the body

is the liquid part of blood.

Red blood cells

White blood cells

Plasma

Platelets

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Lesson 4- blood pressure and heart rate

Your heart rate...

1 point

1. indicates how fast you have been walking.

2. indicates how much exercise you need.

3. indicates how often your heart squeezes blood through your body.

4. Indicates how much blood you have.

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Tick 3. When you exercise, your cells use .... oxygen which is why you breath.... and makes your heart pump...

3 points

1. more

2. less

1. softer

2. harder

1. slower

2. faster

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Less 5- heart rate investigation

3 points

1. Dependent variable

2. Independent variable

3. Control variable

Factors that will stay the same.

Factors that can be changed or adjusted

Factors that will be measured after the change

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3 points

1. Control variable

2. Dependent variable

3. Independent variable

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