Human reproductive system

Question 1

Define Haploid

Answer 1

Cells with a half the amount of DNA

Question 2

Define gametes

Answer 2

Sex cells

Question 3

Define oviducts or fallopian tube

Answer 3

These are tubes which connect the ovaries to the uterus ( womb ) . This is were fertilisation takes place

Question 4

Define fertilisation

Answer 4

The fusion of sperm and egg cells to form an zygote

Question 5

Define implantation

Answer 5

When the embryo fuses with the walls of the uterus

Question 6

Define embryo

Answer 6

The cells formed when sperm fuses with an egg cell and divides

Question 7

Define uterus

Answer 7

Muscular organ with thick walls where the embryo implants - where the fetus grows

Question 8

Define ovary

Answer 8

Organ in females where the eggs were made stored

Question 9

What do n and 2n signify on the diagram

Answer 9

n = half the compliment of DNA 2n = the full amount of DNA

Question 10

Define Oogenesis

Answer 10

Processes of producing ecotypes ( Gametes )

Question 11

Define fetus

Answer 11

The implanted blastocyst + ( developing embryo )

Question 12

Define meiosis

Answer 12

Cell division which produces gametes

Question 13

Define copulation

Answer 13

Sexual intercourse - This means by which sperm is introduced into the vagina

Question 14

Define fertilisation

Answer 14

The fusion between a sperm and a egg to form a zygote

Question 15

Describe what the main purpose of meiosis

Answer 15

The process which produces gametes. This ensures that the gametes are haploid ( 1/2 the amount of DNA )

Question 16

Why must the resulting daughter cells from meiosis be haploid ?

Answer 16

This ensures that fertilisation occurs the resulting zygote will have the full amount of DNA

Question 17

What are the 3 main functions of the male reproductive system

Answer 17

Produces sperm

deliver sperm into the female

produces testosterone

Question 18

What is the function of the testes ?

Answer 18

Produces and stores sperm

Produce and secrete testosterone

Question 19

Function of the scrotum

Answer 19

A sac of skin which holds the testicles away from the rest of the body.

Question 20

Function of the vas deferens

Answer 20

Tube which carries sperm cells from the testosterone to the seminal vesicle

Question 21

Function of the urethra ?

Answer 21

A tube which drains the bladder through the penis , carries sperm and urine out of the body

Question 22

Function of the seminal vesicle

Answer 22

Produce and secrete semen

Question 23

Define function of prostate gland

Answer 23

contrasts the flow of sperm

Question 24

Define the function of the penis

Answer 24

Delivery system for sperm into the female

Question 25

Define the function of the seminiferous tubules

Answer 25

A network of tubes within the testes were sperm cells are made.