Science Ch 22

Front 1

hormone controlled monthly CYCLE of changes in the female reproductive system that includes the maturation of an egg and preparation of the uterus for possible pregnancy

Back 1

menstration cycle

Front 2

haploid sex cells formed in the male reproductive organs

Back 2

sperm

Front 3

a developing baby after the first two months of pregnancy until birth

Back 3

fetus

Front 4

male organ that produces sperm and TESTOSTERONE

Back 4

testis

Front 5

mixture of sperm and a fluid that helps sperm move and supplies them w/ an energy source

Back 5

sement

Front 6

can occur during the birth process or after birth as an infant adjusts from a watery, dark, constant-tempurature environment to its new environment

Back 6

fetal stress

Front 7

thin, liquid-filled, protective membrane that forms around the embryo

Back 7

amniotic sac

Front 8

chemical produced by the endocrine system;
released directly into bolood stream by ductless galnds;
affectsn specific target tissues, and can speed up or slow down cllular activities

Back 8

hormone

Front 9

hollow, muscular, pear-shaped organ where a fertilized egg develops into a baby

Back 9

uterus

Front 10

fertilized egg that has attatched to the wall of the uterus

Back 10

embryo

Front 11

monthly process in which an egg is release a from an ovary and enters the oviduct, where it can become fertilized by the sperm

Back 11

ovulation

Front 12

muscular tube that connects the lower end of the uterus to the outside of the body;
the birth canal through which a baby travels when being born

Back 12

vagina

Front 13

period of development - usually about 38-39 weeks in humans - from fertilized egg until birth

Back 13

pregnancy

Front 14

female reproductive organ that produces eggs and is located in the lower part of the body

Back 14

ovary

Front 15

monthly flow of blood and tissue cells that occurs when the lining of the uterus breaks down and is shed

Back 15

mensturation