Question

1. Define primary sex organs in a male and a female. Secondary sex organs in a male and a female.

2. Define secondary sex characteristics.

Answer 1

Question 1:

Primary Sex Organs:
Primary sex organ is the one which produces gamates, such as, sperm in males and ovum in females. They also produce hormones which produces secondary sexual characters, both in male and females.

Primary Sex Organ in Male:-

Testis is the primary sex organ in males.

Primary Sex Organ in Female:-

Ovary is the primary sex organ in females.

Secondary Sex Organs:-
Secondary sex organs are the one which assist primary sex organs in reproduction.

Secondary Sex Organs in Males:-

Secondary sex organs in males are seminal vessicles, vas deferns, epidydimis, prostate gland.

Secondary Sex Organs in Females:-

Secondary sex organs in females are uterus, Cowper's glands.

Question 2:

Secondary sex charasteristics are the ones that appear after puberty. They are the morphological changes seen in males and females after puberty.

MALES	FEMALES
1.) Facial hair formation 2.) Hair formation in axial and genital regions 3.) Size of male external genitalia increases 4.) Chest hair formation 5.) Strength and bulk of muscles increases 6.) Pimple and acne formation	1.) Axial hiar formation 2.) Enlargement of mammary gland 3.) Hip widens 4.) Pimples appears 5.) Hair appears in genital region 6.) Menstruation starts