Examlex
In the ________ phase of the sexual response cycle, the genitals become engorged with blood, causing erection of the penis in males, and erection of the clitoris and nipples in females.
Australopithecines
A group of extinct hominids that lived in Africa from about 4 to 2 million years ago, known for walking upright and for being possible ancestors of modern humans.
Body Size
The physical dimensions, volume, or mass of an organism, which can have various effects on its biology and behavior.
Musculature
The system or arrangement of muscles in the body of an organism, crucial for movement and physical activities.
Brain Size
A measure of the volume or mass of the brain, often related to body size, which varies significantly among different species and can correlate with cognitive abilities.
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