Girls
Boys
100

In animals organ system responsible for transportation of materials is called what?

Circulatory system

100

Oxygen reaches, every living structure of the body throgh a system of tubes called?

Vessels

200

Liquid component of the blood is called what?

Plasma

200

Name the three types of blood cells.

RBCs, WBCs, Platelets.

300

Human heart is divided into how many chambers?

Four Chambers.

300

What are the upper 2 chambers of the heart called?

Atria / Auricles

400

The blood vessel carrying the oxygenated blood is called what?

Artery

400

The red colour of the RBSc is due to the respiratory pigment called?

Haemoglobin

500

Name the blood cells that protect the body against diseases.

WBCs

500

Name the blood cells responsible to stop blood loss from a wound.

Platelets