Heart 2

What is in the blood that causes it to clot over a wound?

• Red Blood Cells

• White Blood Cells

• Platelets

• Iron

When we are hot what do our blood vessels do to cool us down?

• Vaso-constrict

• Vaso-dilate

Arteries carry blood ......... from the heart.

How do white blood cells help our body?

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What is it called when the size of your heart gets bigger?

• Cardiac Expansion

• Cardiac Enlargement

• Cardiac Hypertrophy

• Cardiac Volume

Blood is made up of:

• Red Blood Cells

• White Blood Cells

• Mucus

• Plasma

• Platelets

What is this chamber of the heart called?

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle