Relation Between Repiratory And Circulatory Systems

RESPIRATORY SYSTEM

The lungs, airways, diaphragm, windpipe, throat, mouth, and nasal passages are all part of the respiratory system. Respiration is the process of breathing in and out through this system. Smoking and air pollution are two common causes of respiratory problems.

Oxygen is taken into the body through the airways, absorbed into the lungs, then transported through the body in the blood. The lungs also give out carbon dioxide into the atmosphere.

There are many diseases that can harm and even destroy the respiratory system. Asthma is an increasingly common disease that causes coughing and makes it hard to breathe. Lung cancer is a major cause of death particularly among smokers. Tuberculosis is a disease caused by bacteria that can destroy the lungs. TB is very contagious and affects cats and other animals in addition to humans. Most people experience minor respiratory problems in the form of a sore throat, cough, or bronchitis from an illness.

People in certain jobs are more likely to have respiratory problems. For example, airline pilots and flight attendants often have respiratory problems. Black lung has historically been a problem of coal miners.

CIRCULATORY SYSTEM

In closed type circulatory system, blood flows in the blood vessels. It is observed in animals belonging to annelids, cephalopod, mollusks, echinoderms and vertebrates.

Blood always remain in the blood vessels, and does not come in direct contact with other cell of the body.Interconnected system of arteries, veins and capillaries are present. Exchange of nutrients and waste products between the blood and tissues via tissue fluid occurs through capillaries.

The system also transports gases i.e., oxygen carbon dioxide, respiratory pigment, hemoglobin is dissolved in blood. Nucleated white blood cells are present.

This is regarded as the most advanced type, having greater efficiency, maintenance of blood pressure and economy of blood volume.

In earthworm there are 4 or 5 pairs of lateral side of esophagus in 7th to 13th segments. Hearts pumps the blood from the dorsal to the ventral vessel.

There are three main longitudinally running blood vessels, which are interconnected through capillaries and commissural vessels.

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