Sexual Reproduction

Question 1

Sexual reproduction

Answer 1

Production and fusion of gametes to form a zygote

Question 2

Testis

Answer 2

Produces sperm and testosterone

Question 3

Epididymis

Answer 3

Matured and stores sperm

Question 4

Sperm duct

Answer 4

Carries speed from epididymis to urethra

Question 5

Urethra

Answer 5

Allows passage of sperm and urine

Question 6

Penis

Answer 6

Place sperm inside female body

Question 7

Scrotum

Answer 7

Holds testes at lower temperature

Question 8

Seminal vesicles

Answer 8

Secretes alkaline fluid - protects sperm in vagina

Question 9

Prostate gland

Answer 9

Fluid nourishes and activates sperm

Question 10

Coopers gland

Answer 10

Secretes mucus - neutralises urine in the urethra

Question 11

Semen

Answer 11

Sperm + seminal fluid

Question 12

FSH males

Answer 12

Follicle stimulating hormone

• produced by pituitary gland
• stimulates sperm
• meiosis occurs in testes

Question 13

Testosterone

Answer 13

Develop secondary sex characteristics.

Secretes in testes

Question 14

LH males

Answer 14

Luteinising Hormone

• pituitary gland
• testosterone to develop

Question 15

Male secondary sex characteristics

Answer 15

Facial and pubic hair
Enlargement of larynx
Growth spurt

Question 16

Ovary

Answer 16

Produces eggs, oestrogen and progesterone

Question 17

Fallopian tube

Answer 17

Site of fertilisation.

Question 18

Uterus

Answer 18

Site of implantation,
Hold embryo ,
Forms placenta

Question 19

Vagina

Answer 19

Allows entry of sperm + exit of baby

Question 20

Oestrogen

Answer 20

Produced in ovary , causes endometrium to develop

Question 21

Progesterone

Answer 21

Produced by ovary, keeps endometrium built up, stops uterus from contracting

Question 22

Female secondary sex characteristic

Answer 22

Enlargement of breasts
Widening of pelvis
Pubic and underarm hair

Question 23

Menstrual cycle

Day 1-5

Answer 23

Uterus lining breaks down
Menstruation
New egg produced by meiosis
Surrounded by Graafian follicle

Question 24

Menstrual cycle

Day 6-14

Answer 24

Oestrogen produced by GF

Uterus lining builds up again

Question 25

Day 14 - menstrual cycle

Answer 25

Ovulation occurs | GF bursts and releases egg

Question 26

Menstrual cycle | Day 14-28

Answer 26

GF develops into Corpus Luteum | Endometrium thickens

Question 27

Menstrual disorder

Answer 27

Fibroids | Benign tumour in uterus wall , consists of muscle and connective tissues

Question 28

Cause of fibroids Symptoms Treatment

Answer 28

Abnormal response to pill Heavy bleeding , pain, infertility Surgery

Question 29

Labour stages

Answer 29

1. Dilation stage 2. Expulsion stage 3. Placental stage

Question 30

Lactation

Answer 30

Secretion of milk from mammary glands

Question 31

Benefits of breastfeeding

Answer 31

- essential antibodies (fight infection ) - balance of nutrients - little fat - easier to digest

Question 32

Birth control

Answer 32

Methods taken to limit number of children born

Question 33

Abortion

Answer 33

Termination of pregnancy

Question 34

Contraception

Answer 34

Deliberate prevention of fertilisation

Question 35

Male contraception

Answer 35

Condoms Spermicide Sperm ducts cut and tied

Question 36

Female contraception

Answer 36

No sex on fertile period Diaphragms The pill Fallopian tunes cut and tied

Question 37

In vitro fertilisation

Answer 37

Fertilisation outside the body

Question 38

Male causes of infertility

Answer 38

Low sperm counts Low sperm mobility Endocrine gland failure