Instructor: Jackson
Miracle of Life video
Fill in the blanks as you watch the video: This assignment is worth 20 points
1. What was the first kind of ancient life? _____________________________
2. What is every living being made of? _____________________________
3. All cells reproduce themselves by dividing into _____________________________
4. What is the only living substance capable of reproducing itself exactly? ______________
5. How many chromosomes does each egg contain? _____________________________
6. In which organ are human eggs stored? _____________________________
7. How many egg cells are in each of the organs mentioned in question 6? _____________
8. How big is an egg? _____________________________
9. Along which structure does the egg travel from the ovary?_____________________________
10. What is the diameter of the structure in #9? _____________________________
11. How long does it take the egg to travel the distance along the structure of #9 __________
12. What controls a woman’s reproductive cycle? _____________________________
13. How many sperm do men produce in their lifetime? _____________________________
14. Where are sperm made? _____________________________
15. Where are sperm stored just before ejaculation? _____________________________
16. How many chromosomes does each sperm contain? _____________________________
17. Certain cells “care for” sperm cells, and they are called_____________________________
18. How many sperm are passed in each ejaculation? _____________________________
19. A sperm propels itself using a long tail called a _______________________________.
20. What is on the tip of a sperm? __________________________________
21. What percent of a man’s sperm are deformed or imperfect?_____________________________