I believe that a good way to summarize all the processes is metabolism.
Metabolism is the sum of all the (chemical) processes starting at the beginning of an organisms' life and ending at death.
The sperm start travels in the seminiferous tubules of the testes where spermatozoa are born, and then transport to the epididymis which sperm passes to the vas deferens and it ended at the utero-tubal junction where egg fertilizes in the fallopian tubes.
Answer: Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Explanation:
The answer is B. guidelines for safe laboratory practices