Question

circulatory system in humans essay ​

Answer 1

Answer:

The circulatory system is a network consisting of blood, blood vessels, and the heart. This network supplies tissues in the body with oxygen and other nutrients, transports hormones, and removes unnecessary waste products.

Answer 2

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★CIRCULATORY SYSTEM

The circulatory system is consist of a heart, blood vessels and blood, and is liable for transporting life-giving oxygen all over body. While exercise, body’s need for oxygen rises; the harder the work out, the more oxygen body demands. To make sure that the sufficient oxygen is offered for muscles during activity, body makes short- and long-term fluctuations. Exercise and Heart The heart -- stated to as the myocardium, meaning heart muscle -- is a four-chambered pump about the size of a fist, positioned slightly left of center in a chest. [tags: Heart, Blood, Circulatory system, Blood vessel]