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प्रश्न
Define the: Veins
उत्तर
: Veins are the blood vessels which carry deoxygenated (impure) blood from the body cells to the heart.
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संबंधित प्रश्न
Haemoglobin is present in ______ cells.
What is Diapedesis?
what is Lymph nodes?
Define the Circulatory system.
The table below is designed to indicate the transport of certain substances in our body. Fill in the blanks with suitable answers.
| Substance | From | To | |
| 1. | ______ | Lungs | Whole Body |
| 2. | Carbon Dioxide | ______ | ______ |
| 3. | Urea | ______ | ______ |
| 4. | Digested Carbohydrates | Intestines | ______ |
| 5. | ______ | ______ | Target Organs |
| 6. | Heat | ______ | Whole Body |
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
Thin tube-like structures which are the component of circulatory system are called blood vessels.
Which of the following health condition refers to the type of blood cancer in which uncontrolled increase in number of WBCs occurs?
______ prevent blood clotting.
Identify the normal haemoglobin count in human females.
