Digestion and Excretion Quiz

The video tutorial covers various aspects of human biology, including how the body converts food into energy, the role of amino acids, and the importance of calcium in bones. It also discusses the process of digestion, food absorption, waste removal, and blood filtration. The tutorial concludes with a description of the skin as an excretory organ.

What is the main source of energy for the body?

What is the role of calcium in the body?

Describe the process of breaking down food.

Where does most food absorption occur in the body?

What is the function of the excretory organ in the body?