Module 5

Question 1

Fertilisation

Answer 1

Fusion of sperm and egg cell to form a zygote, takes place in fallopian tube

Question 2

sex hormones

Answer 2

male: testosterone controls sperm production, from testes
female: oestrogen and pregesterone regulate menstrual cycle and pregnancy development

Question 3

Hormones secreted to help egg cell production

Answer 3

follicle stimulating hormone (FSH) stimulates follicle (egg releasing sack) development in ovary
luteinising hormone (LH) causes release of egg from follicle in one of the ovaries

Question 4

Developmental stages

Answer 4

zygote (fertilised egg)
blastocyst (ball of cells)
embryo (developing main organs)
foetus (further development until childbirth)