IGCSE Human Reproduction recap

What is the process called when an egg and sperm fuse?

• Fertilisation
• Zygote
• Embryo
• Mating

What are the specialised sex cells called in sexual reproduction?

• Zygotes

• Gametes

• Ovaries

• Embryos

Tags

NGSS.HS-LS3-2

How does an egg cell move through the fallopian tube?

• Via diffusion
• Ciliated epithelial cells move it along
• Via gas exchange
• It drifts through the liquid in the fallopian tube

Where in the female body do the egg and sperm fuse?

• Cervix

• Uterus

• Ovary

• Fallopian tube/oviduct

Where is testosterone produced?

What does FSH stand for and where is it made?

• Follicle stimulating hormone, ovary
• Follicle sensing hormone, pituitary gland
• Follicle sensing hormone, ovary
• Follicle stimulating hormone, pituitary gland

The diagram shows the 28 days of the menstrual cycle. When does the lining of the uterus break down?

• A
• B
• C
• D

What happens if an early embryo splits just before implantation?

• Non-identical twins
• Identical twins
• This cannot occur and would harm the embryo
• Semi-identical twins

What hormone causes ovulation to occur?

• FSH
• Oestrogen
• LH
• Progesterone

Which structure produces progesterone in a 5 month pregnant woman?

• The egg
• The ovary wall
• Corpus luteum
• The placenta