Human Reproduction

Question 1

Gonad

Answer 1

A gonad is an organ that produces sex cells in animals

Question 2

Semen

Answer 2

Semen is a fluid containing sperm and seminal fluid

Question 3

Puberty

Answer 3

Puberty is the beginning of sexual maturity

Question 4

Secondary Sexual Characteristics

Answer 4

Secondary sexual characteristics are those features that distinguish males from females, apart from the sex organs themselves

Question 5

Infertility

Answer 5

Infertility is the inabillity to produce offspring

Question 6

Ovulation

Answer 6

Ovulation is the release of an egg from the ovary

Question 7

Menstrual Cycle

Answer 7

The menstrual cycle is a series of events that occurs every 28 days on average in the female if fertilisation has not taken place

Question 8

Menopause

Answer 8

The menopause is when ovulation and menstruation stop happening in a female

Question 9

Menstruation

Answer 9

Menstruation is the discharge of the lining of the uterus (the endometrium) and the unfertilised egg

Question 10

Copulation

Answer 10

Copulation is the act of sexual intercourse

Question 11

Orgasm

Answer 11

Orgasm is the physical and emotional sensations experienced at the peak of sexual excitement

Question 12

Ejaculation

Answer 12

Ejaculaiton is the release of semen from the penis

Question 13

Insemination

Answer 13

Insemination is the release of semen into the vagina, just outside the cervix

Question 14

Fertilisation

Answer 14

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

Question 15

Implantation

Answer 15

Implantation is the embedding of the fertilised egg into the lining of the uterus

Question 16

In-Vitro Fertilisation

Answer 16

In-vitro fertilisation (IVF) involves removing eggs from an ovary and fertilising them outside the body

Question 17

Morula

Answer 17

A morula is a solid ball of cells formed from a zygote by mitosis

Question 18

Blastocyst

Answer 18

A blastocyst (or blastula) is a hollow ball of cells formed from a morula

Question 19

Germ Layers

Answer 19

Germ layers are basic layers of cells in the blastocyst from which all adult tissues and organs will form

Question 20

Gestation

Answer 20

Gestation is the length of time spent in the uterus from fertilisation to birth

Question 21

Lactation

Answer 21

Lactation is the secretion of milk by the mammary glands (breasts) of the female

Question 22

Birth Control

Answer 22

Birth control refers to methods taken to limit the number of children that are born

Question 23

Contraception

Answer 23

Contraception is the deliberate prevention of fertilisation or pregnancy