lesson #4: fertilization
DESCRIPTION
Lesson #4: Fertilization. Objective : - Explain how babies are created. What is semen?. 1) Provides a watery environment in which the sperm cells can swim while outside the body. 2) Provides nutrients for the sperm cells (fructose, amino acids and vitamin C) - PowerPoint PPT PresentationTRANSCRIPT
Lesson #4: Fertilization
Objective:- Explain how babies are created
What is semen?1) Provides a watery environment in which the sperm cells can swim while outside the body. 2) Provides nutrients for the sperm cells (fructose, amino acids and vitamin C) 3)Protects the sperm cells by neutralizing acids in the female's sexual tract
-
Fertilization
- The nucleus of the egg fuses with the nucleus of the sperm. A zygote forms.
Any questions?