circulatory system:

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10 Terms

1
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The heart is a __________ chambered muscular pump lying just left of the midline of the chest beneath the sternum.

four

2
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The right side of the heart deals with __________ blood.

deoxygenated

3
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The left side of the heart deals with __________ blood.

oxygenated

4
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Red blood cells are a biconcave disc that is __________ and flat with NO nucleus.

round

5
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Haemoglobin carries __________, allowing red blood cells to transport it more effectively.

oxygen

6
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Platelets are bits of cell broken off larger cells and they produce tiny __________ fibres to form a net.

fibrinogen

7
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The liquid part of the blood is known as __________.

plasma

8
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Blood accounts for __________ of an animal's body weight.

6-1% depending on species and stage of life

9
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The mechanism that causes blood to clot is crucial to prevent __________ from minor injuries.

bleeding to death

10
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Capillaries link arteries with veins and have walls that are __________ cell thick.

one