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प्रश्न
Answer the following in short.
What is urethra?
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उत्तर
Urethra is a canal-like opening at the bottom of the urinary bladder through which urine is passed out from the body.
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संबंधित प्रश्न
Tick the most appropriate answer.
The blood vessel that supplies impure blood to a kidney is the
The diagram given alongside represents an organ system in the human body. Study the same and answer the questions that follow:
- Identify the system
- Label the parts marked 2 and 4. Mention the function of part 5.
- Name the structural and functional units of the part marked 1.
- What is the fluid that accumulates in part 3?
Which is the main nitrogenous waste present in it? - Draw a neat, labelled diagram showing the longitudinal section of part 1.
How is urea produced?
Differentiate between:
Excretion and Egestion
Give Technical Term:
The nitrogenous wastes produced in man.
Write the functional activity of the following structure: Bladder
Write the functional activity of the following structure: Urethra
The nitrogenous wastes are removed from the body by the endocrine system.
Read the following terms given below.
| root hairs | xylem | urethra |
| arteries | kidneys | veins |
| atria | capillaries | heart |
| ureter | phloem | urinary bladder |
Group the terms on the basis of the categories given below.
- Circulatory system of animals.
- Excretory system in human.
- Transport of substances in plants.
Which one of the following statements is incorrect?
