Living Environment - Human Reproduction

Average length of time of a woman's menstrual cycle.

• 28-32 days
• 7 weeks
• 2 months
• 4 days

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.

The diagram below represents structures found in the female reproductive system. If the areas labeled A were completely blocked on both sides, the most likely result would be that

• egg production would stop

• sperm production would stop

• fertilization would not occur

• an embryo would develop

Tags

NGSS.HS-LS1-2

The diagram below represents some stages of early embryonic development. Which process is represented by the arrows in the diagram?

• meiosis

• Mitosis

• Fertilization

• Evolution

Tags

NGSS.HS-LS1-4

The pituitary gland produces

• FSH

• Testosterone

• GnRH

• Estrogen

These are the major male sex organs that produce sperms.

• Penis

• Vulva

• Testes/testicles

• Ovary/ovaries

It is the part where a mature ovum/egg travels into and wait for sperm to fertilize it.

• Fallopian tube

• Ovary

• Vagina

• Uterus

Trace the pathway of the egg cell from production to pregnancy.

• Cervix > ovary > fallopian tube > uterus > vagina

• Uterus > Ovary > fallopian tube > cervix > vagina

• fallopian tube > Ovary > uterus > cervix > vagina

• Ovary > fallopian tube > uterus > cervix > vagina

Which of the following are reproductive cells? 
A    Egg
B    Testis 
C    Ovary 
D    Sperm

• A and C only
• A and D only
• B and C only
• A, B, C and D

Tags

NGSS.MS-LS3-2

When the egg and sperm join together, it is known as

• intercourse
• orgasm
• fertilization
• ejaculation