Circulatory System: The Blood

What system is made of the heart, blood vessels, and blood?

• skeletal system

• muscular system

• digestive system

• circulatory system

Which of the following is not a function of blood?

• help fight disease

• transports nutrients, oxygen, wastes, and hormones

• to provide structure

• distributes heat

What is blood made of?

• oxygen and plasma

• red blood cells and white blood cells

• plasma, red blood cells, white blood cells, and platelets.

• plasma and platelets

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What part of blood carries haemoglobin?

• Red blood cells

• Plasma

• Platlets

• White blood cells

What is the function of haemoglobin?

• to carry iron

• to carry wastes

• to carry oxygen

• to produce oxygen

These blood cells deliver oxygen to the parts of the body.

• Red
• White
• Patelets
• Plasma

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These blood cells are the protectors and help fight off disease.

• Red blood cells
• White blood cells
• Plasma
• Platelets 

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This part of blood helps it clot, when you get cut.

• Red blood cells
• Plasma
• Platelets
• White blood cells

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_______ is made mostly of water and makes up about 55% of the blood

• Plasma
• Platelets 
• Red blood cells
• White blood cells

How many pints of blood are in the average human?

• 1
• 20
• 10