Life expectancy

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/life-expectancy

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. How long is Life expectancy?Ocean quahog clam (Arctica islandica), with documented individuals over 500 years old
2. What is the global average life expectancy at birth?Approximately 73.4 years, with significant regional variations
3. Why do some countries have lower life expectancy at birth?Countries with high infant mortality have lower life expectancy at birth, even if adults who survive childhood live long.
4. How did life expectancy change during the Industrial Revolution?It grew a lot because of better sanitation, nutrition, and public health.

Actuarial Science: The discipline that uses mathematical and statistical methods to assess risk in insurance and finance.
Demographic Transition: The historical shift from high birth and death rates to low birth and death rates.
Healthspan: The period of life during which an individual is generally in good health and free from serious disease.
Non-Communicable Diseases (NCDs): Chronic diseases that are not passed from person to person, such as heart disease and diabetes.