Ch13 Human Reproductive System

Question 1

Testis

Answer 1

Produce sperms through melodic cell division and make sex hormones

Question 2

Seminal fluid

Answer 2

Activates and nourish sperms
Provides a medium for sperms to swim
Neutralise the acidity of female’s vagina

Question 3

Acrosome

Answer 3

Contain enzymes for penetration into the ovum at fertilization

Question 4

Mitochondria in sperm

Answer 4

To supply energy for swimming

Question 5

Penis

Answer 5

Transfers semen into the female vagina

Question 6

Oviduct

Answer 6

Site of ferilizations

Question 7

Uterus

Answer 7

Protect the embryo and provide a stable environment for the development of embryo

The muscular wall of uterus contracts to push out the foetus during childbirth

Question 8

Function of the cytoplasm in the ovum

Answer 8

Contain food reserve for the early development of embryo

Question 9

Uterine lining

Answer 9

Uterine lining is richly supplied with blood vessels . The uterine lining builds up and break down periodically. This is called menstrual cycle.

Question 10

Ovulation

Answer 10

Ovum is released into the oviduct

Question 11

The thickening of uterine lining

Answer 11

To allow the implantation of embryo into the uterine lining and to supply nutrients and oxygen to the embryo

Question 12

If ovum is fertilized

Answer 12

The implanted embryo secretes