Vein that transports oxygenated blood from the heart.
Capillaries
Pulmonary vein
Arteries
Aorta
What is the name of the blood cell which fight diseases?
White blood cells
Red blood cells
Plasma
Platelets
Who discovered the circulatory system?
Erasistratus
Galen
Michael Servetus
William Harvey
The smallest type of blood vessels is called :
Vein
The windpipe is divided into two smaller tubes which are called:
Bronchi
Bronchioles
Ribs
Diaphragm
Glucose
Sugar
Starch
Food
What is the waste product of the liver?
Carbon dioxide
Oxygen
Urea
Hydrogen
Which gas turns calcium hydroxide solution into white or milky?
Nitrogen
The upper chamber of the heart into which the blood flow from the vein is called:
Atria
Yellow watery part of the blood called :