Front

Gaseous Exchange

Back

Process of exchanging gases (O₂ and CO₂)

Front

Location in Humans

Back

Alveoli in lungs

Front

Oxygen Intake

Back

O₂ enters bloodstream

Front

Carbon Dioxide Release

Back

CO₂ exits bloodstream

Front

Diffusion

Back

Movement from high to low concentration

Front

Respiratory System

Back

Organs involved in breathing

Front

Alveoli Structure

Back

Tiny air sacs, large surface area

Front

Capillaries

Back

Tiny blood vessels around alveoli

Front

Hemoglobin

Back

Protein in red blood cells, carries O₂

Front

Breathing Process

Back

Inhalation and exhalation