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Blood Vessels Yr 8

Authored by FULWJO .

Science

8th Grade

Used 40+ times

Blood Vessels Yr 8
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of blood vessels that take blood away from the heart?

veins

tubes

capillaries

arteries

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following vessels has a wall that is only one cell thick?

capillaries

arteries and capillaries

veins

arteries

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Blood returning to the heart from the body has a higher % of CO2 within it. Which state below explains this?

the blood has produced more carbon dioxide as it flows around the body

the blood has picked up the CO2 from the cells that have been performing respiration.

the body has turned the blood cells into carbon dioxide

the oxygen in the blood has turned into carbon dioxide

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When blood returns from the lungs to the heart, it contains more O2 than it did when it left. Which statement explains why?

the blood returning from the lungs has a low concentration of CO2

the haemoglobin in the red blood cells binds to the oxygen

the carbon dioxide is dissolved in the plasma

the blood contains a higher concentration of O2 than the air when it arrives back at the lungs.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As red blood cells flow through the capillaries between muscle cells they.....

pass out of the capillaries

pick up oxygen

will release carbon dioxide

release oxygen by splitting up their oxy-haemoglobin molecules

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The blood flows through the arteries

slowly at high pressure

quickly at low pressure

slowly at low pressure

quickly at high pressure

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Blood flows through the veins....

slowly at high pressure

quickly at low pressure

slowly at low pressure

quickly at high pressure

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