Problem Analysis:
The question involves identifying parts of the human reproductive system and understanding their functions. The diagrams provided show the male and female reproductive systems, with labeled parts. We need to answer three questions based on these diagrams.
#### Diagram Breakdown:
1.
Left Diagram (Male Reproductive System):
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P: Testes
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O: Vas deferens
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N: Seminal vesicles or epididymis (part of sperm storage and maturation)
2.
Right Diagram (Female Reproductive System):
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M: Ovaries
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R: Fallopian tubes
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Q: Uterus
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Labelled part Q: Cervix or vagina (not explicitly clear from the diagram)
Questions and Solutions:
####
a. Which letter shows the part of the human reproductive system that produces the sperms?
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Answer:
P
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Explanation: The testes (labeled as "P" in the male reproductive system diagram) are responsible for producing sperm cells. This is a fundamental function of the male reproductive system.
####
b. Which letter shows the part of the human reproductive system that produces the eggs?
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Answer:
M
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Explanation: The ovaries (labeled as "M" in the female reproductive system diagram) are responsible for producing egg cells (ova). This is a fundamental function of the female reproductive system.
####
c. How can fertilization occur if one part of M in the diagram above failed to function? Explain your answer.
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Answer: Fertilization can still occur if only one part of "M" (one ovary) fails to function.
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Explanation:
- In the female reproductive system, there are two ovaries (labeled as "M"). Each ovary has the potential to produce eggs.
- If one ovary fails to function, the other ovary can still produce eggs. During each menstrual cycle, typically only one egg is released from one of the ovaries.
- Therefore, even if one ovary is non-functional, the other ovary can continue to release eggs, allowing fertilization to occur as long as the rest of the reproductive system (fallopian tubes, uterus, etc.) is functioning normally.
Final Answers:
1.
a. P
2.
b. M
3.
c. Fertilization can still occur because the female reproductive system has two ovaries (M). If one ovary fails to function, the other ovary can still produce eggs, allowing fertilization to occur as long as the rest of the reproductive system is functioning normally.
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Boxed Final Answers:
\[
\boxed{P, M, \text{Fertilization can still occur because the female reproductive system has two ovaries (M). If one ovary fails to function, the other ovary can still produce eggs, allowing fertilization to occur as long as the rest of the reproductive system is functioning normally.}}
\]
Parent Tip: Review the logic above to help your child master the concept of human reproductive system worksheet.
