Page 73 - Science Course 2 (Book 1)

Mo3-L1: Key Concept Check

Direction: Use the diagram to answer each question in the space provided.

The Event What happens because of the event?

1. The body releases estrogen and
progesterone

2. An egg is released from an ovary.

3. Sperm is present in the vagina.

4. An egg is not fertilized

5. An egg is fertilized.

6. The first part of the menstrual
cycle occurs.

7. The second part of the menstrual
cycle occurs.

8. The last part of menstrual cycle
occurs.

9. An egg is released when sperm
are present in the fallopian tubes.

66