The beginning of Life CH 21 HS

What is the main reproductive organ in females? What hormone does it secrete?

• Testes: Estrogen

• Testes: Testosterone

• Ovaries: Estrogen

• Ovaries: Testosterone

What is the main reproductive organ in males? What hormone does it secrete?

• Testes: Estrogen

• Testes: Testosterone

• Ovaries: Estrogen

• Ovaries: Testosterone

The combining of a sperm cell and an egg cell creates

• Zygote

• Umbilial cord

• uterus

• embryo

What is designed to cushion and protect the growing fetus?

•  placenta

• amniotic fluid

• overaries

• placenta

How many months does it typically take for a fetus to fully develop?

• 9 months

• 7 months

• 10 months

• one year

What is the last organ to fully mature before birth?

• Lungs

• heart

• brain

• ovaries

The mature egg cell goes into the fallopian tube where it waits for a sperm cell. Thus, the fallopian tube serves as the site of fertilization.

• True

• False

Which one here is not a hormone?

• luteinizing hormone

• testosterone

• ovary

• estrogen

In humans, fertilization normally occurs in the _____.

• cervix

• uterus

• fallopian tube

• ovary

What is the periodic shedding of tissues and blood from the inner lining of the

uterus?

• menopause

• ovulation

• pregnancy

• menstruation