_______________ is a protectice double-layered membrane

_______________ is the largest artery.

Lymph mainly is contained within the _________ and __________

The blood group AB is called the __________

The blood passes through the heart twice , once when it is deoxygenated and then after it gets oxygenated this is also known as ________________

Cause - Occurs due to a blood clot that prevents the flow of oxygen-rich blood to the cardiac muscle. Name the heart- related condition.

Symptoms include shortness of breath, dizziness or chest pain. Name the heart - related condition.

_________ carry deoxygenated blood from different parts of the body to the heart.

The ventricles are called the _________ chambers

___________ is also known as the natural pacemaker of the heart because it is responsible for rythm of the heart beat.

Blood consists of __________ and _________.

The heart is divided vertically into a left and right portion by a membrane called _______.

There are --- functions of lymph

Discovery of blood group was done by __________