Woman between the ages of 12 and 50 years old undergo a monthly cycle in which their uterus prepares for pregnancy; it prepares for a fertilised egg to settle and grow into a baby. If pregnancy does not occur, the lining breaks down and is expelled from the uterus. This is known as menstruation.
Hormones are chemical messengers secreted by glands and have specific target organs. In this lesson, you will learn about hormones that stimulate changes to your body during puberty. Puberty is the timeframe when secondary sexual characteristics develop – in other words, when a boy matures physi
The entire externally visible female genitalia is called the vulva. The internal vagina connects the vulva to the cervix and uterus. Source: https://www.zdf.de/dokumentation/terra-x/anatomie-von-vulva-und-vagina-creative-commons-clip-100.html URL to full doc: https://www.zdf.de/dokumentation/3sat
Click here to see more videos: https://alugha.com/FuseSchool CREDITS Animation & Design: Jean-Pierre Louw Narration: Dale Bennett Script: Gemma Young When we talk about clones in science, we mean organisms that are identical copies. They have the same DNA as each other. Identical twins are example
