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Heart – Life Processes 2 I CBSE Class 10 X Science
What is heart function? how to draw a heart diagram? what is double circulation? structure of heart all of these types of questions are discussed in this awesome video.
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Introduction to the Heart
The human heart is one of the most important organs responsible for sustaining life. It is essentially a muscle, about the size of a clenched fist.
The human heart functions throughout a person’s lifespan, pumping almost 200 million liters of blood.
Besides humans, most other animals also possess a heart that pumps blood throughout their body. Even invertebrates such as grasshoppers possess a “heart”, though they don’t function the same way a human heart does.
The function of the Heart
The function of the heart in any organism is to maintain a constant flow of blood throughout the body. This replenishes oxygen and circulates nutrients among the cells and tissues.
Following are the main functions of the heart:
– One of the primary functions of the human heart is to pump blood throughout the body.
– In the process, the human heart also aids the body’s transport system – blood, by delivering oxygen, hormones, glucose, etc to various parts of the body.
– The heart also ensures that adequate blood pressure is maintained.
All the above-mentioned topics are described in an interactive and efficient manner so that the students could easily understand them.
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