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Explain the Historical Significance of the Donora,Pennsylvania Pollution Episode

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Essay

Explain the historical significance of the Donora,Pennsylvania pollution episode.


Definitions:

Seminal Vesicles

(1) In mammals, glandular sacs that secrete a component of semen (seminal fluid). (2) In some invertebrates, structures that store sperm.

Spermatogenesis

The process by which spermatozoa are produced from male primordial germ cells by way of mitosis and meiosis, occurring in the testes.

Ejaculatory Duct

A short duct that passes through the prostate gland and opens into the urethra; receives semen from the vas deferens.

Vas Deferens

The duct that conveys sperm from the testicle to the urethra, playing a crucial role in the male reproductive system.

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