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प्रश्न
Give reason for the following:
Blood flowing away from the stomach and intestines is put into circulation via the liver and
not directly.
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उत्तर
The blood from stomach and intestines enters the liver via hepatic portal vein because the
liver monitors all the substances that have to be circulated in body. The excess nutrients such
as glucose, fats are stores in the liver. Excess amino acids are broken down by the process
deamination. Toxic substances are detoxified.
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.
- Which type of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
Name the following:
The fluid found between the membranes of the heart.
Given below is a certain structure, write its chief functional activity.
Erythrocytes - ______.
Explain the following:
Why is the closed circulatory system more efficient than the open system?
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
Fill in the blanks with suitable words given below:
The oxygen-rich blood is pumped into different parts of the body through ______.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
Explain the main parts of the circulatory system.
Identify the CORRECT statement/s regarding blood clotting.
