What Makes Us Human

Question 1

Bipedalism

Answer 1

Walk upright, allowing energy-efficient long-distance travel

Question 2

Hands and Shoulders

Answer 2

Adapted for tool use, throwing, and hunting

Question 3

Hairless Skin and Sweat Glands

Answer 3

Thermoregulation and endurance

Question 4

Larynx

Answer 4

Allows speech and language, increased flexibility of mouth and tongue

Question 5

Brain

Answer 5

Large and complex, develops until approximately age 25

Question 6

Blushing

Answer 6

Emotional and social communication unique to humans

Question 7

Touch

Answer 7

Fine sensory control for tool use and survival