The Circulatory system

The left ventricle of the heart is thicker and has stronger muscles because....

• Pumping blood to the lungs for air exchange

• Pumping blood to all parts of the body except the lungs

• Receiving a large volume of blood from the body

• Receiving a large volume of blood from the lungs

Arteries are large, thick, muscular blood vessels used to carry blood out of ....

• The whole body

• Head section

• Heart

• Liver

Please take a look at the following picture!

The right ventricle of the heart is shown by the number ....

• 2

• 3

• 4

• 5

The blood of the right ventricle is different from the blood of the left ventricle because the blood of the right ventricle contains more....

• food substances

• Oxygen

• Carbondioxyde

• Hormone

If you are injured and bleeding, platelets secrete .... which forms a tissue around the wound so that it can stop and seal the bleeding.

• erythrocytes

• leukocytes

• fibrin

• hemoglobin

If blood circulates throughout the body through the heart two times it is called circulatory ....

• Double

• Closed

• Open

• Single

Red blood cells or erythrocytes are colored red because they contain hemoglobin. Hemoglobin contains iron which serves to ....

• Circulate oxygen

• Kills germs

• Circulate hormones

• neutralizes toxins

Leukocytes or white blood cells play a role in ....

• Circulate enzymes

• Kills germs

• Circulate hormones

• Circulate food

A condition in which the walls of arterial blood vessels harden due to fatty tissue that blocks blood flow in the blood vessels is called ....

• Atherosclerosiss

• Anemia

• hypertension

• Leukemia

After the exchange of gases in the blood in the lungs, the oxygen-rich blood will flow towards. ...

• Right Ventricle

• Left Atrium

• Left Ventricle

• Right Atrium