Human Reproduction

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

• A
• B
• C
• D

When is ovulation most likely to occur?

• About halfway between the start of one menstruation and the next
• At the start of menstruation
• 1-5 days before the start of menstruation
• 5-10 days after the start of menstruation

The diagram below represents a system in the human body. The function of structure X is to _____________

• produce energy needed for sperm to move

• provide food for the sperm to carry to the egg

• produce and store urine

• produce sperms and male sex hormones

The human female reproductive system is represented below. Where will the embryo attach itself after fertilization?

• A

• B

• C

• D

What is the scrotum?

• A pouch of skin surrounding the testes

• A fold of skin that protects the penis

• An additional gland located at the end of the urethra

Which part of the uterus is connected to the vagina?

• The fallopian tubes

• The cervix

• The ovaries

What is the name of the internal wall of the uterus?

• endometrium

• exometrium

• testometrium

The main function of the placenta is to :

• allow direct exchange of blood between the mother and fetus for nutrition.

• facilitate gas and nutrient exchange between the fetus and mother.

• support the weight of the developing fetus in the uterus.

• store gases and nutrients for later delivery to the fetus.

Which is true for sexual reproduction?

• It involves a male and female parts to reproduce.

• It does not involve any male or female parts to reproduce.

• It takes one mate to reproduce.

The female reproductive parts consists of __________________________________________.

• ovaries and ovules.

• ovaries and womb.

• ovaries, womb and vagina.

• ovaries, stigma and style.