Unit 1: A long and healthy life

Life expectancy

Tuổi thọ trung bình.

Longevity

Sự trường thọ, sống lâu.

Immune system

Hệ miễn dịch.

Organism

Sinh vật, cơ thể sống.

Life expectancy

The average number of years a person is predicted to live based on demographic factors and current health trends.

Nutrient

A substance found in food that provides nourishment essential for growth and the maintenance of life.

Immune system

The biological network of specialized cells, proteins, and organs that defends an organism against pathogens.

Antibiotic

A type of antimicrobial substance active against bacteria that kills or slows down the growth of microorganisms.

Longevity

The ability to survive past the average age of death, characterized by an extended duration of life.

Aerobic exercise

Cardiovascular conditioning that relies primarily on oxygen-dependent energy production, such as running or swimming.

Metabolism

The series of biochemical reactions that convert food and drink into cellular energy.

Hygiene

Conditions and routines, particularly personal cleanliness, that help preserve physical wellness and prevent illness.