The Heart

What does the heart do?

• It pumps blood to all the parts of the body.

• It is a part of the circulatory system.

• It is one of the main organs of the body.

• It can go fast when you run or slow when you are sleeping.

What do arteries carry?

• blood with carbon dioxide and waste

• blood with oxygen and nutrients

• blood

• Blood with waste and oxygen

They connect arteries and veins

• circulatory system

• The lungs

• The heart

• The capillaries

It is a strong muscle between the lungs

• The heart

• The diaphragm

• The trachea

• The bronchi

Imagine you are a red blood cell...Which is the correct way you are going to follow?

• Heart---lungs---heart---rest of the body

• Lungs---kydneys---heart---rest of the body

• Body---lungs---kidneys---heaft

• Heart---lungs---rest of the body

What`s the most important organ of the circulatory system?

• Blood

• Arteries

• Veins

• Heart

• Capillaries

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

Blood is made up...

• by four main components, Plasma, Red Blood Cells, White Blood Cells, and Platelets.

• by plasma and platelets.

• by red blood cells, white blood cells.

The heart has ___ chambers.

• 1
• 2
• 3
• 4

Why is blood that flows from the lungs to the heart bright red rather than dark red?

• Oxygen makes it red.
• Carbon dioxide makes it red.
• Gastric juices produce the red colour of the blood.
• The lungs add a pigment (dye) to blood as it flows
  through them.