Grade 11 Life Sciences
Gaseous Exchange : Inhalation and Exhalation
In this lesson, we are going to look at the gaseous exchange on a cellular level. We are going
to look in depth at the mechanisms of respiration from, inhalation to exhalation and how this
facilitates the movement of carbon dioxide and oxygen.
Up Next in Term 3
Gaseous Exchange: Homeostasis
In this lesson, we look at homeostasis and how your respiratory system contributes to
the balance between gases in your body. We also delve into some of the diseases that are common
in the respiratory system and affect gaseous exchange; like TB, emphysema, and lung cancer.
Excretion: The Urinary system
In this lesson, we look at the anatomy of the organs that make up the excretory system
and facilitate the production of waste.
Excretion: Ultrafiltration & Function...
In the lesson, we take an in-depth look at the kidneys and how they process waste in our
bodies through the process of filtration, reabsorption, tubular secretion, pH control, and urine