ConnectEd 8th science quiz-Joneeda

Haemoglobin gives red colour to……..

A fine network of blood vessels joining arteries and veins is called………

……helps in fighting germs, Protect the body from infection

Platelets helps in ……….. of blood

Average healthy person has nearly ……. litres of blood in his or her body

World blood donor day is

Healthy human can donate ……..ml of blood once in every 6 month

…….. carry oxygenated blood

…………. Collects dead cells, waste and carbon dioxide from cells and join to veins

Valves are present in …….. to prevent back-flow of blood