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प्रश्न
The first menstrual flow begins at puberty and it is termed as ______.
उत्तर
The first menstrual flow begins at puberty and it is termed as menarche.
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संबंधित प्रश्न
Define adolescence.
The table below shows the data on likely heights of boys and girls as they grow in age. Draw graphs showing height and age for both boys and girls on the same graph paper. What conclusions can be drawn from these graphs?
| Age (Years) | Height (cm) | |
| Boys | Girls | |
| 0 | 53 | 53 |
| 4 | 96 | 92 |
| 8 | 11 | 110 |
| 12 | 129 | 133 |
| 16 | 150 | 150 |
| 20 | 173 | 165 |
Adolescence is the period of life between _______ years of age.
The period at which an organism attains sexual maturity is called _____
The sperm is produced by ______.
Using clean toilets for defecation is a good practice.
The most conspicuous visible change that occurs in boys during puberty is
Name the hormone that is released by testes at the onset of puberty.
Read the statements given below and fill up the blanks with the correct words listed in the box.
| deep | ductless | nutrients | thyroxine |
- The meal that includes all ______ is a balanced diet.
- Insufficient production of ______ in the tadpoles leads to their incomplete development.
- Endocrine glands are also called ______ glands.
- After attaining puberty, boys develop a ______ voice.
______ is not a source of iron.
