Reproduction

Reproduction

Natural Science

Ignacio Fernández González

index

sexual characteristics

the sexual reproductive system

male

FEmale

fertiliZation

pregnancy

birth

genetics

what did i learn?

01

sexual characteristics

Sexual characteristics are the differences between male and female.

• Primary sexual characteristics

• Secondary sexual characteristics

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secondary sexual characteristics

02

SEXUAL REPRODUCTIVE SYSTEM

It is in charge of producing new human beings.

The female reproductive cell is called ovum (plural is ova) or ovule (ovules). It has the shape of a sphere and it is much bigger than the male reproductive cell and it contains all the genetic information from the mother in its nucleus.

Ovulation

What's that?

What's that?

Semen

The male reproductive cell is called sperm cell. It is much smaller than the ovum and it has got a head, that contains the nucleus with the genetic information and a tail that helps the sperm cell swim in the semen. The connection between the tail and the head is called neck.

03

fertiliZation

Where babies come from.

FertiliZation

Fertilization happens when a sperm cell enters inside a ovum in the Fallopian Tubes.

+ info

FertiliZation

Fertilization happens when a sperm cell enters inside a ovum in the Fallopian Tubes.

+ info

04

PREGNANCY

An extraordinary period of changes.

PREGNANCY

The embryo implants into the lining of the uterus where it will continue to grow. At eight weeks, the embryo is about the size of an adult’s thumb. The embryo becomes a foetus when all the organs have been formed, around nine weeks after fertilization.

05

CHILDBIRTH

A new human being comes to life.

CHILDBIRTH

Tap on the three stages to learn about birth.

06

GENETICS

Identical Vs. Fraternal twins.

Basic Genetics

click on the image

NEXT

Fraternal twins

Identical twins

WHAT DID I LEARN?

Click on the image to check your understanding!