untitled

State which component of the blood carries oxygen.

• plasma

• red blood cells

• white blood cells

• platelets

The diagram shows part of the human circulatory system. Which part carries deoxygenated blood at high pressure?

• A - Pulmonary Artery

• B - Pulmonary Vein

• C - Aorta

• D - Left Ventricle

The main function of the circulatory system is 

• To give the body structure and support
• Excrete waste
• transport blood, nutrients, and gases throughout the body
• to transport messages from the body to the brain

Number of heart chambers

• 2

• 3

• 4

• 5

The valves..

• allow two way direction of blood in the heart

• prevent back-flow of blood

• prevent high pressure exerted in the vessels

• allow lower pressure of blood flow in the heart

Select the correct label for G.

• Right ventricle.

• Left ventricle.

• Right atrium.

• Left atrium.

What is hemoglobin?

• A type of white blood cell that produces specific antibodies against a pathogen

• The red protein found in red blood cells that transports oxygen in the blood

• The main artery that supplies the liver with oxygenated blood

• A cell fragment that is involved in the clotting process

What are platelets?

• A type of white blood cell that produces specific antibodies against a pathogen

• The red protein found in red blood cells that transports oxygen in the blood

• The main artery that supplies the liver with oxygenated blood

• A cell fragment that is involved in the clotting process

Which branch of the circulatory system deals with blood oxygenation?

• Pulmonary system

• Systemic system

• Coronary system

Which type of blood vessel has thick elastic fibres?

• Arteries

• Veins

• Capillaries