Fetal Development

How many months is a woman pregnant for?

• 11

• 12

• 10

• 9

How many trimesters are there in a pregnancy?

• 2

• 3

• 5

• 9

The joining of a male sperm cell and a female egg cell to form a human life.

• Reproduction
• Menstruation
• Ovulation
• Fertilization

Sexual reproduction is vital to the propagation of the Human race. Which of the following sequences represents the correct order of events in the formation of a human fetus?

• Zygote → Blastocyst → Embryo → Fertilization

• Fertilization → Zygote → Blastocyst → Embryo

• Blastocyst → Embryo → Differentiation → Zygote

• Fertilization → Growth → Differentiation → Zygote

In which of the following structures of the female human reproductive system is the blastocyst implanted during normal human development?

• Ovary

• uterus

• vagina

• amniotic sac

A fertilized egg undergoes several stages before it is implanted. In which of the following structure of the female reproductive system is the egg fertilized?

• Ovary

• Uterus

• Fallopian tube

• Cervix

A zygote is formed by ___________ of a male and female gamete.

• fertilization

• division

• reduction

• addition

What does the placenta do?

• It allows nutrients to enter the fetus from the mother and waste products to leave the fetus.
• It allows the nutrients and waste products to travel freely between the foetus and the mother.
• It prevents all bad chemicals from harming the fetus.
• It allows solid food to reach the fetus.

During the second trimester, this fine, soft hair covers the body of the fetus and newborn baby.

• lanugo

• vernix

• downy

• peach fuzz

The first organ to function is the

• heart
• brain
• lungs
• stomach