Examlex
A non-directional alternative hypothesis is written as _____.
Male Genitals
The external and internal reproductive organs in males, including the penis, testicles, and associated structures.
Secondary Sex Characteristics
Physical traits that emerge during puberty which are not directly involved in reproduction, such as breast development in females and facial hair in males.
Pubertal Development
Refers to the biological changes during adolescence that lead to physical and sexual maturation.
Facial Hair
Hair that grows on the face, typically on areas such as the chin, cheeks, and upper lip, and differs widely in presence and form among individuals and cultures.
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