High Altitude Human** Imagine a human **Physical Appearance:** * **Short stature:** The reduced oxygen levels at high altitudes favor a smaller body size, as this conserves energy and reduces oxygen demands. * **Barrel chest:** The lungs are enlarged to maximize oxygen intake, giving the chest a more pronounced barrel-like shape. * **High cheekbones:** High cheekbones provide more surface area for the attachment of respiratory muscles, enhancing breathing efficiency. * **Blood Adaptations:** * Mehr sehen