Circulatory System

The circulatory system consists of blood, blood vessels and ............

RBCs are also known as ..........

• thrombocytes

• erythrocytes

• leucocytes

• Ruby Blood Cells

The decrease in the number of RBC causes a sickness is called ...........

WBCs are also known as ............

• leucocytes

• erythrocytes

• Whole Blood Cells

• Platelets

Which blood vessels carry blood away from the heart?

• arteries

• veins

• capillaries

• venules

Which blood vessels carry blood towards the heart?

• veins

• arteries

• capillaries

• arterioles

There are .......... chambers in our heart.

• 3

• 4

• 5

• 6

............valves are present between left atrium and left ventricle.

The human heart is divided into two main parts: right and left parts by a muscular wall called .........