10. Fertilisation of sperm and u
Laboratories
3 SHORT ANSWER QUESTIONS:
1. Why do living organisms need to reproduce
2. What are the two important methods of
reproduction?
3. What is menstruation?
4. Why do testes lie within the scrotum,
outside the body?
5. What is the significance of thick muscular
Answers
Answer:
Reproduction is a characteristic of all living systems; because no individual organism lives forever, reproduction is essential to the continuation of every species. Some organisms reproduce asexually. Other organisms reproduce sexually. In many species, including humans, females produce eggs and males produce sperm.
sexual and asexual
Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle. Every month, your body prepares for pregnancy. If no pregnancy occurs, the uterus, or womb, sheds its lining. The menstrual blood is partly blood and partly tissue from inside the uterus.
The testicles make sperm. To do this, the temperature of the testicles needs to be cooler than the inside of the body. This is why the scrotum is located outside of the body.
Explanation: