Unit 1 - Lesson 6 Flashcards
Sperm
The male cells that are used for reproduction
Each sperm cell has 23 chromosomes
Hormones
Chemical messengers that control body functions
Testes
The organ where sperm is made. The main organ of the male reproductive system
Produce the male sex hormone - testosterone . Testosterone causes male characteristics like deep voice and facial hair
Semen
Urethra
The mixture of sperm and fluid
The tube that runs through the body
Penis
The organ that delivers semen into the female reproductive system
Egg
Ovary
The female sex cell (gamete). Egg cells have 23 chromosomes
The reproductive organ that produces eggs
Estrogen
Progesterone
The female reproductive hormones which control the development of eggs and female characteristics like breasts
Uterus
Vagina
The organ where a fertilized egg develops into a fetus
The canal between the uterus and the outside of the body
Embryo
A fertilized egg which will develop into a human being
Placenta
Umbilical Cord
A network of blood vessels that provides the embryo with oxygen and nutrients from the mother’s blood and carries away waste
Rope-like structure that connects the embryo to the placenta
Fetus
What the embryo is called after 10 weeks
Sexually transmitted infections (STIs)
Caused by viruses, bacteria, or parasites which are passes from one person to another during sexual contact
AIDS
Genital herpes
Human papilloma virus (hsv)
Hepatitis B
Chlamydia
Gonorrhea
Syphillis
