Respiratory System

The structure and function of the system.

The cardiovascular system
Generally people would express that the cardiovascular or circulatory system is one of the just about important systems in the carcass because without it, we go offnot survive.

The cardinal roles of this system ar:
* To continue oxygen supply to all segmentations
* To assist and nark rid of carbon dioxide.
* Transport materials such as glucose to the cells.
The shopping mall and soul
The nucleus is the size of an adult fist. It is specialised cardiac muscles and is known as a double pump because each side of the midriff works separately. The right side pumps telephone circuit from the heart to the lungs and the left-hand(a) side pumps squanderer from the lungs using the heart to the rest of the body.
in that location are four chambers: two upper atria and two lower ventricles. It also has special valves that make sure the blood always pumps in the right way. The muscles of the heart are concentrate on being strong and sufficient amount to bond every day for the whole of a human lifespan.
The heart also has its own pacemaker (the sino-atrial node), which sends electrical impulses to create the heart maintains a regular heartbeat.
Different body system can work to noticeher to create the body functions efficiently as a whole, with the brain working as a encounter centre.



Some activities that could take place in the body are controlled by the homeostatic mechanisms, as well as the body temperature, blood pressure and oxygen supply.

The blood

Plasma is the fluid part of the blood and dissimilar types of blood cells are suspended in it. Red blood cells or erythrocytes contain haemoglobin, a protein that carries oxygen and makes the cells red. White blood cells or leucocytes help to fight infection. Platelets or thrombolytic are fragments of blood cells that produce enzymes that help with blood blocking. The structure of the normal blood plasma is 90/92% water. This is the straw-coloured fluid in which the blood cells are suspended, and consists of:
| *...If you want to get a full essay, order it on our website: Ordercustompaper.com



If you want to get a full essay, wisit our page: write my paper