Cardiovascular system and animal is responsible for the
transportation of various material in
the body .
Cardiovascular system
includes three components blood, the
heart and blood vessels.
In cardiovascular system
, blood is pumped by heart throughout
the body.
Blood - Blood is a
connective tissue which flows in the blood vessels. It transports Oxygen and
Carbon dioxide between lungs and tissues of body. It transports nutrients after
absorption in the process of digestion
towards the other parts of our body .Blood carries various hormones from the
endocrine glands towards target organs. It is also responsible for the
transport of waste material like urea from liver towards the kidney .Blood is
also responsible for the regulation of pH, body temperature and water content.
Blood helps in against blood loss through the clotting mechanism and also keeps
our body safe against various diseases through the action of WBC.
Heart - It is a muscular organ and pumps blood throughout the
body. In human, heart is four chambered. Superior chambers are known as “Atria”
while inferior chambers are known as “Ventricles”. Atria receive blood from
body parts and ventricles pumps blood towards body-parts.
Blood-vessels- These are the tubes in which blood flows. These are of three types- Artery,
Veins and capillary.
- Artery - In these tubes ,blood flows from heart towards other body parts.
- Veins - These tubes carry blood from body parts to heart.
- Capillaries-These are fine tubes connecting artery and vein in tissues of body parts.
