Primary Sex Organs

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Questions and Answers

Primary sex organs in male

Testes

What are primary sex organs in females

Ovaries

What is the role of primary sex organs

To produce sex hormones and gametes

What is the other name for primary sex organs

<p>Gonads</p> Signup and view all the answers

What are secondary sex organs

<p>The organs that dont produce sex hormones or gametes but play an important role in in reproduction</p> Signup and view all the answers

What are the secondary sex organs in male?

<p>Prostrate, seminal vesicles, vas deferentia, penis</p> Signup and view all the answers

What are the secondary sex organs in females?

<p>Fallopian tubes, uterus, vagina, mammary glands</p> Signup and view all the answers

Why does a males voice deepen during puberty?

<p>Due to enlargement of larynx, and thickening of vocal chords</p> Signup and view all the answers

Which fat is deposited where in female during puberty?

<p>Subcutaneous fat is deposited in thighs, buttocks and face</p> Signup and view all the answers

What are the sex hormones in girls

<p>Oestrogen and progesterone</p> Signup and view all the answers

What is the sex hormone in male

<p>Testosterone</p> Signup and view all the answers

In which gender is puberty coming earlier?

<p>Females attain puberty earlier</p> Signup and view all the answers

What are the average ages of puberty for girls and boys

<p>12 for girls and 14 for boys</p> Signup and view all the answers

When do the testes descent into the scrotal sac for males

<p>Before the 7th moth of pregnancy</p> Signup and view all the answers

Where are the testes located before the 7th moth of the foetus?

<p>Pelvic region</p> Signup and view all the answers

Where does the scrotum arise from?

<p>Lower abdominal wall</p> Signup and view all the answers

How much temperature decrease do the testes require for producing sperms

<p>Decrease of 2-2.5</p> Signup and view all the answers

What is the required temperature for production of sperm?

<p>35°c - 34.5°c</p> Signup and view all the answers

What is the function of dartos muscle

<p>Relaxes the scrotal sac during high temperature periods</p> Signup and view all the answers

State the function of cremaster muscle

<p>It helps in contraction of scrotal sac during low temperatures</p> Signup and view all the answers

What kind of muscle is the dartos muscle?

<p>Smooth muscle</p> Signup and view all the answers

What type of muscle is cremaster muscle

<p>Skeletal muscle</p> Signup and view all the answers

Name the two types of mass of erectile

<p>Corpora covernosa and corpora spongiosum</p> Signup and view all the answers

What percentage of the semen is alkaline

<p>60% - 70%</p> Signup and view all the answers

Why is the semen alkaline in nature?

<p>To neutralise the acidity of the vagina</p> Signup and view all the answers

What causes the vagina to be acidic?

<p>The release of lactic acid by the lacto bacillus bacteria</p> Signup and view all the answers

Why is the vagina acidic?

<p>To prevent the growth of harmful bacteria</p> Signup and view all the answers

Which kind of sugar is found only in a male body?

<p>Fructose</p> Signup and view all the answers

What is the function of prostaglandin

<p>Helps in contraction</p> Signup and view all the answers

What is the function of citrate?

<p>Generate energy in smooth muscle</p> Signup and view all the answers

What is the composition of semen

<p>Fructose, prostaglandin, citrate, inositol, clotting factors</p> Signup and view all the answers

Dimensions of a testes

<p>4-5cm in length and 2-3 cm in width</p> Signup and view all the answers

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