Reproductive System Flashcards
The process whereby new individuals (offspring) are made from their parents. It is one of the characteristics of life.
Reproduction
means that two parents are needed to form new offspring
Sexual reproduction
Each parent produces a sex cell called a _____. In humans this is the egg cell (female) and the sperm cell (male).
Gamete
Happens when the nucleus of the sperm joins with the nucleus of the egg to form a zygote
Fertilisation
A fertilised egg
zygote
Produces sperm and testosterone
Testis
Holds the testes outside the body, keeping them at the correct temperature
Scrotum
Carries sperm from the testis to the urethra and penis and collects seminal fluid from vesicles and prostate
Sperm duct
Secrete seminal fluid to nourish sperm
Seminal vesicles and prostate
Carries semen out of the body
Urethra
Passes semen into the vagina
Penis
What is the primary male sexual characteristic?
Production of sperm
What are the 6 secondary male sexual characteristics?
- Development of sex organs
- Growth spurt
- Broader shoulders
- Deeper voice
- Sex drive
- Growth of body and facial hair
Produces eggs and oestrogen
Ovary
Collects eggs from the ovary. This is where fertilisation occurs
Fallopian tube
Where the baby grows and develops
Uterus
Narrow passage between the vagina and the uterus
Cervix
Where the penis is placed during sexual intercourse
Vagina
What is the primary female sexual characteristic?
Production of eggs
What are the 4 secondary female sexual characteristics?
- Development of sex organs
- Development of breasts
- Widening of the hips
- Growth of underarm and pubic hair
The____ is the monthly series of changes a woman’s body goes through to prepare for the possibility of pregnancy. Ovulation and menstruation are part of this cycle
Menstrual cycle
Is the time during the menstrual cycle when an egg is released from the ovary into the Fallopian tube
Ovulation
Is the process of blood and tissue that has built up in the uterus breaking down and leaving the body through the vagina
Menstruation
what happens in the ovary and uterus through the days?
1-5 Ovary= Eggs begin to mature Uterus= Menstruation-blood tissue are lost through the vagina
6-14- Ovary=Egg continues to mature Uterus= Blood vessels and tissue build up in the uterus again
14 Ovary= Egg is released from the ovary- ovulation Uterus= Blood and tissue continues to build up in the uterus
15-18 Ovary= Hormones are released to maintain the lining in the uterus Uterus= Blood and tissue remain built up in the uterus
1-5 Ovary= Another egg starts to mature Uterus= Mentsruation- blood and tissue are lost from the uterus through the vagina
