The "Upper Cave" Fossils from China Support Both of the Models

question 37

True/False

The "upper cave" fossils from China support both of the models of the origins of the first H. sapiens.

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Definitions:

Semilunar Valves

Valves located at the exit of both the left and right ventricles of the heart, which prevent backflow of blood into the ventricles.

Ventricles

Ventricles are chambers within the heart that pump blood out to the lungs and the rest of the body, crucial for the cardiac circulation process.

Epinephrine

Hormone secreted by the adrenal medulla in times of stress; also referred to as adrenaline.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response; it affects heart rate, blood pressure, and glucose levels.