Circulatory and Excretory Systems.

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

What is blood made of?

• Blood is made up only of plasma.

• Blood is made up of plasma, nutrients, red cells and white cells.

• Blood is made up of plasma, red cells, white cells and platelets.

• Blood is made up of plasma, nutrients, red cells, white cells, platelets and oxygen.

¿Qué compone la sangre?

Write the parts of the heart:

Blood flows in a circuit between the heart and the lungs.

• Pulmonary circulation

• Systemic circulation

Blood flows in a circuit between the heart and all other body tissues. It is a longer circuit.

• Pulmonary circulation

• Systemic circulation

Systemic circulation is responsible for the exchange of ___________ and ___________.