1st science 4 fertilization

Explains the process of fertilization in humansScience V

Review

•What do ovaries produce?..•What hormone do they produce?•What do the testes produce? •What hormones do they produce?

Motivation

Presentation

Watching of video clip: Fertilization

Concept Formation

What is fertilization?

Remember

• The union of an egg and a sperm cell is called fertilization.

Concept Formation

• Where does fertilization occur?

Remember

• Fertilization occurs in one of the fallopian tubes as the egg moves toward the uterus.

Concept Formation

• What fertilizes the egg?

Remember

• The moving sperm swims up through the uterus and enter the fallopian tube.

Concept Formation

• What is the fertilized egg called?

Remember

• The fertilized egg is called zygote.

Application

•How many egg cells mature every month?•How many sperm cells fertilized the egg cell?

Evaluation

Answer the following briefly:

1. How many sperm cells does an egg cell normally need in order to become fertilized?

2. When does fertilization occur?3. Where does fertilization occur?4. Define fertilization.

Assignment

Why is fertilization in human important?