Name the components of circulatory system of human being.

Following are the components of circulatory system in human beings:

•Blood: This is the fluid which transports nutrients, waste materials, hormones, gases like oxygen, carbondioxide etc.

•Lymph: This is the fluid which transports nutrients, waste materials, hormones, gases like oxygen, carbondioxide etc.

•Heart: It is an organ which takes deoxygenated blood from the complete body and pumps oxygenated blood to the complete body.

•Lungs: Lungs also form a component of circulatory system as purification of blood takes place in lungs only.

•Blood vessels: Blood vessels carry blood into them and transfer it to different organs. There are two types of blood vessels:

a) Arteries: They carry oxygenated blood from heart to different parts of body.

b) Veins: They carry deoxygenated blood from different parts of the body to the heart.

•Lymphatic system: This lymphatic system is present all over the body and helps in transportation of lymph which helps in transportation of various things like nutrients, hormones, gases etc.