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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
The valve which prevents back flow of blood in the veins and lymph vessels ______.
The table below is designed to indicate the transport of certain substance in our body. Fill in the
blanks with suitable answers.
| Substance | From | To |
| Lungs | Whole body | |
| Carbon dioxide | ||
| Urea | ||
| Digested carbohydrates |
Intestines | |
| Target organs |
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
Describe the functions of the: Heart
Explain the Term
Hepatic Portal System
Use your brain power!
How is the air that we inhale purified in our body?
______ prevent blood clotting.
Name the following:
Contraction phase of heart.
Name these:
Three components of circulatory system.
