Walking

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/walking

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the key anatomical adaptations for bipedalism?Broad pelvis, valgus knee, arched foot with non-opposable hallux, S-shaped vertebral column
2. What is the modern health benefits?Reduced risk of chronic diseases, improved mental health, enhanced cognitive function
3. Why do humans walk on two legs instead of four?Walking on two legs helps us keep our hands free to carry things, use tools, and look around for food and danger. It also uses less energy when traveling long distances.
4. How did our ancestors learn to walk upright?Early humans began standing and walking on two legs about 7 million years ago, and over time they got better at it as forests turned into open grasslands. This change helped them find food and stay cool.

Bipedalism: The anatomical and behavioral adaptation for habitual locomotion on two lower limbs.
Hominin: The taxonomic tribe Hominini, which includes Homo sapiens and our extinct bipedal ancestors after the split from the chimpanzee lineage.
Thermoregulation: The physiological process that allows the body to maintain its core internal temperature.
Biomechanics: The study of the mechanical laws relating to the movement or structure of the living body.