Explain the structure and function of the heart in humans.
Answers
Answer:
Human heart is four chambered.
The upper two chambers are called auricles and is divided into left and right auricle.
The lower two chambers are called ventricles and is divided into left and right ventricles.
Function:
The superior vena cava and inferior vena cava brings deoxygenated blood to the right auricle.
Aorta pumps out the blood from left ventricles to different parts of the body.
Pulmonary artery carries the deoxygenated blood from right ventricle to the lungs for oxygenation.
pulmonary veins carries oxygenated blood from lungs to the left auricle.
Overall human heart pumps blood and helps in respiration.
Answer:
Heart plays a very important role in the supply of oxygenated blood to different parts of the body. Deoxygenated blood is collected from various parts of the body and is transferred to the heart. The blood enters the heart through the pulmonary valve and enters the right atrium, then it goes to the right ventricle through the tricuspid valve. From here the blood then goes to the lungs for oxygenation. Oxygenated blood is then brought back to the heart with the help of pulmonary veins and enters the left atrium. The blood then goes to the left ventricle through the bicuspid valve and then transferred to the aorta through the aortic valve for further circulation of blood to different parts of the body.
The heart blood flow diagram (flowchart) given below will help you to understand the pathway of blood through the heart.Initial five points denotes impure or deoxygenated blood and the last five points denotes pure or oxygenated blood.
1.Different Parts of the Body
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2.Major Veins
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3.Right Atrium
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4.Right Ventricle
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5.Pulmonary Artery
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6.Lungs
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7.Pulmonary Veins
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8.Left Atrium
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9.Left Ventricle
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10.Aorta
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11.Different Parts of the Body
I hope, the heart diagram and the blood flow chart given above is clear to you. As the work of a heart is critical and essential, even a small blockage in the blood flow may be fatal. There are many heart conditions which if not taken care in time may even result in death. Hence it’s very important to take care of it. Try to maintain good health, stick to a healthy diet and give your body a proper exercise. Go for routine check-ups to prevent yourself from any cardiac problems.
