EASY
10th ICSE
IMPORTANT
Earn 100

What causes the heart sounds 'LUBB' and 'DUB'?

Important Questions on Circulatory System

EASY
10th ICSE
IMPORTANT
Name the blood vessels that supply oxygenated blood to the heart muscles. (Coronary artery/ Coronary vein)
EASY
10th ICSE
IMPORTANT
Draw neat labelled diagrams of a cross section of an artery and a vein.
EASY
10th ICSE
IMPORTANT
Name cellular components of blood containing haemoglobin. (Red blood cells/Thrombocytes)