PLS answer all the questions :-}
Answers
Answer:
20. the material insides the part of the women's body and it help to provide nutrients to the feotus
21. the serecting of enzymes is called exochrine gland . it serect the trypsine enzymes . the serecting enzymes directly mixed in Target organ
14. measuration means the monthly period time of girls
ovulation means when an egg is released from your house ovaries to be fertilized
Answer :
15.
Primary sexual characteristics are present at birth and comprise the external and internal genitalia (e.g., the penis and testes in males and the vagina and ovaries in females).
18.
a) During puberty, in boys the voice box or larynx begins to grow .
b) The growing voice box in boys can be seen as protruding part of the throat . This is called Adam's apple.
19.
He should must observe personal hygiene and undertake adequate physical exercise.
24. Fath