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प्रश्न
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Hyaluronidase.
- Is it an enzyme or simply a protein?
- What is its function?
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उत्तर
- Hyaluronidase is an enzyme.
- The acrosome at the top of the head of the sperm secretes an enzyme (hyaluronidase), which facilitates entry of the sperm into the egg by dissolving the wall of the ovum.
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संबंधित प्रश्न
Name the following:
The membrane which protects the foetus and encloses a fluid
Describe the functions of placenta
What changes occur at the time of birth?
Differentiate
Fetus and Embryo.
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
Give Technical Term:
A structure which connects the placenta with the fetus.
Complete the following sentences with appropriate word:
The embryo inside the uterus is protected from jerks or mechanical shocks by ________
Write the functional activity of the following structure:
Uterus
Does the foetus inside the mother's uterus breathe?
Write the specific location of the following:
Placenta
