TRANSPORT SYSTEM IN HUMAN

What is the function of a valves?

• To exerts larger force in order to push blood to all parts of the body.

• To prevent the blood from flowing backwards.

• To pump the blood to all parts of the body.

• To stop the blood from flowing

Which part of the heart exerts the highest pressure?

• Left atrium

• Left ventricle

• Pulmonary vein

• Pulmonary artery

Figure below shows the cross section of a human blood vessel. What is the function of this type of blood vessel?

• Carry blood away from the heart under high pressure.

• Carry blood back to the heart under low pressure.

• Carry blood back to the heart under high pressure.

• Exchange of substance between blood and tissues.

What do you call the lower chambers of the heart as shown in this picture?

• Atrium

• Ventricle

• Artery

• Vein

What type of blood vessel is shown in figure number 2?

• vein

• artery

• capilary

• aorta

What is the name of the tube labelled 3 (yellow tube) that transport blood from the lungs to the heart?

• Pulmonary Vein

• Vena Cava

• Aorta

• Pulmonary artery

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

The heart has ___ chambers.

• 1
• 2
• 3
• 4

What do Red-Blood cells do?

• Carry oxygen from the lungs to the body cells and  transport carbon dioxide from the cells back to the lungs
• keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
• Collects  blood from the capillaries and drain it into the veins
• Bring nutriients to the cells and carries away waste materials.

Identify the structure the arrow is pointing to

• right atrium
• right ventricle
• left atrium
• left ventricle