What Is A Closed Circulatory System
However even closed circulatory systems differ as we move further up the evolutionary tree. In this way blood is kept separate from body tissues.
Unlike an open circulatory system a closed.
What is a closed circulatory system. This system has a heart that pumps blood through a continuous circulation pattern. Capillaries surround the organs making sure that all cells have an equal opportunity for nourishment and removal of their waste products. A closed circulatory system is a circulatory system for blood where the blood is enclosed in individual vessels kept under pressure to force it to flow into all corners of the body.
Humans and other vertebrates have circulation like this and some other animals do as well. Here blood is pumped through a closed system of arteries veins and capillaries. The exchange of gases in the bloodstream occurs between smaller vessels capillaries and tissues.
The closed circulatory system of some mollusks and all vertebrates and higher invertebrates is a much more efficient system. As opposed to bathing all tissues and organs with blood the blood remains in vessels and is transported at high pressures to and from all extremities of the body at a rapid rate. In a closed circulatory system blood is directed through arteries to veins and to smaller blood vessels throughout the body.
The closed circulatory system may be of particular interest to you because it is the type of system that humans have. A closed circulatory system is comprised of the heart that pumps blood into the vessels to reach the tissues and organs. In a closed circulatory system the blood stays within blood vessels.
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