Efficient Transport and Exchange in Living Organisms

The video explains how organisms exchange substances with their environment, focusing on diffusion and the importance of surface area to volume ratio. It compares single-celled and multicellular organisms, highlighting their different exchange mechanisms. The video also details the role of alveoli in gas exchange, emphasizing their adaptations for efficient diffusion.

What adaptations do multicellular organisms have for efficient exchange of substances?

What role does the circulatory system play in multicellular organisms?

How are alveoli adapted for gas exchange in the lungs?

What is the importance of maintaining a concentration gradient in gas exchange?