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“Briefly Describe the Importance of the Interaction Between the Respiratory and Cardiovascular Systems in Maintaining the Body’s Internal Balance”

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The respiratory system role is to allow the exchange of gases oxygen and carbon dioxide between the atmospheric air, blood and tissue cells. It also helps adjust the pH of body fluids. “In addition to gas exchange the respiratory system also plays a role in receptors for the sense of smell, filters inspired air, produces sounds and rids the body of some water and heat in exhaled air”. (Tortora and Derrickson 2006 Pg 918)

The most important function of the respiratory system is to supply the blood with oxygen so that this can then be delivered to the rest of the body. The respiratory system consists of the nose, pharynx, larynx, trachea, bronchi and lungs. Their function is to filter warm and moistened air and conduct it into the lungs. (Tortora and Derrickson 2006).

The body uses oxygen for anything it does whether it may be eating, walking or just sleeping and through this process releases carbon-dioxide. Carbon-dioxide needs to be eliminated quickly and efficiently as it can be very toxic to the cells in the body.

The cardiovascular system circulates blood and lymph through the body and it consists of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands. It is responsible for transporting oxygen, nutrients, hormones, and waste products through the body. The heart is the primary organ within the cardiovascular system. The heart is a beating muscle that continually pumps blood to the rest of the body. (Tortora and Derrickson 2006).

The cycle begins when the upper, smaller atrium receives blood coming in from the veins. The blood then flows through a one way valve into the larger, lower chamber of the heart. The heart contracts which then pushes the blood through another valve into the arteries. Deoxygenated blood travels along pulmonary arteries to the lungs where it receives fresh supplies of oxygen which then flows back to...

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