Human Development Created by Educational Technology Network. www.edtechnetwork.com 2009

Reproduction Pregnancy Embryo Dev. Birth Wild Card 10 20 30 40 50

Question 1 - 10 What does male and female gonads produce?

Answer 1 – 10 Gametes

Question 1 - 20 What term is used when reproductive hormones begin?

Answer 1 – 20 Puberty

Question 1 - 30 What hormone does both the male and female produce once puberty begins?

Answer 1 – 30 Testosterone & Estrogen

Question 1 - 40 Hormones signal to ________ gland in brain to start producing hormone FSH.

Answer 1 – 40 Pituitary Gland

Question 1 - 50 Rigorous activity in females may delay puberty. Why?

Answer 1 – 50 Small fat deposits & lack of estrogen production

Question 2 - 10 How many sperm does it take to fertilize an egg?

Answer 2 – 10 1

Question 2 - 20 The nucleus of the sperm and egg create a _______.

Answer 2 – 20 Zygote

Question 2 - 30 Cleavage is another word for ______ ________.

Answer 2 – 30 Cell Division

Question 2 - 40 ______________ helps forms the placenta from forming.

Answer 2 – 40 Blastocyst

Question 2 - 50 __________ takes place approximately 24-36 hours after fertilization.

Answer 2 – 50 Mitosis

Question 3 - 10 When does pregnancy begin?

Answer 3 – 10 As soon as implantation begins

Question 3 - 20 Between how many days after fertilization does implantation begin?

Answer 3 – 20 6-10 days after

Question 3 - 30 What are the 3 layers that develop during embryo development?

Answer 3 – 30 Endoderm, Mesoderm, & Ectoderm

Question 3 - 40 List 1 function of each layer of embryo development.

Answer 3 – 40 Ectoderm: forms skin & nervous system Mesoderm: forms kidneys, skeleton, muscles, blood vessels, & gonads Endoderm: forms lungs, and lining of digestive system

Question 3 - 50 What fluid protects the embryo?

Answer 3 – 50 Amnion Fluid

Question 4 - 10 What is the meaning of gestation?

Answer 4 – 10 How long is takes for a species to develop before birth

Question 4 - 20 Human gestation takes about how long?

Answer 4 – 20 38 weeks, 9 months

Question 4 - 30 What are 3 things that technology can detect before or after birth?

Answer 4 – 30 Infections, blood loss, chromosome abnormalities

Question 4 - 40 What are 2 factors that can cause birth abnormalities?

Answer 4 – 40 Smoking when pregnant Drinking alcohol when pregnant Pollutants (mercury levels) Radiation Drugs

Question 4 - 50 How many stages are there to birth a human?

Answer 4 – 50 3

Question 5 - 10 Name 1 Chromosomal Abnormality?

Answer 5 – 10 Down Syndrome

Question 5 - 20 How many trimesters are there in a human pregnancy?

Answer 5 – 20 3

Question 5 - 30 True or False. In weeks 1-12 all major organs of embryo have begun to develop.

Answer 5 – 30 True

Question 5 - 40 Name 1 of the 3 stages of birth?

Answer 5 – 40 Dilation Expulsion Placental

Question 5 - 50 True or False. By week 4 of pregnancy, the embryo is 500 times the size of their original size.

Answer 5 – 50 True