Human Reproduction

Question 0

Ejaculation

Answer 0

The release of semen from the penis

Question 1

Gonad

Answer 1

An organ that produces sex cells in animals

Question 2

Secondary sexual characteristics

Answer 2

Features that distinguish males from females apart from sex organs

Question 3

Infertility

Answer 3

The inability to produce offspring

Question 4

Ovulation

Answer 4

The release of an egg from the ovary

Question 5

The menstrual cycle

Answer 5

A series of events that occurs every 28 days on average in the female if fertilisation had not taken place

Question 6

Insemination

Answer 6

The release of semen into the vagina, just outside the cervix

Question 7

Fertilisation

Answer 7

Occurs when the nucleus of the sperm fuses with the nucleus of the egg, forming a diploid zygote

Question 8

Birth control

Answer 8

Methods taken to limit the number of children born

Question 9

Abortion

Answer 9

The termination of a pregnancy

Question 10

Contraception

Answer 10

The deliberate prevention of fertilisation or pregnancy

Question 11

Implantation

Answer 11

The embedding of the fertilised egg into the lining of the uterus

Question 12

In vitro fertilisation

Answer 12

Involves removing eggs from the ovary and fertilising them outside the body

Question 13

Morula

Answer 13

A solid ball of cells formed from a zygote by mitosis

Question 14

A blastocyst

Answer 14

Is a hollow ball of cells formed from a morula

Question 15

Germ layer

Answer 15

Basic layers of cell in the blastocyst from which all adult tissues and organs wil form

Question 16

Gestation

Answer 16

The length of time spent in the uterus from fertilisation to birth

Question 17

Lactation

Answer 17

The secretion of milk by the mammary glands of the female