Examlex
How did the conditions in the atmosphere over Antarctica lead to the formation of the ozone hole?
Erections
A physiological response in which erectile tissues, primarily in the penis, become engorged with blood, leading to increased rigidity and size.
Gametes
Gametes are the cells used during sexual reproduction to produce a new individual, typically having half the chromosome number of other cells.
Hormones
Hormones are chemical messengers produced by endocrine glands that regulate various functions by traveling through the bloodstream to target organs.
Embryos
Early developmental stages of multicellular organisms following fertilization, characterized by cell division and differentiation.
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