8D Science notes

 First class

Cells

 

What is living?

- Metabolism

         - eat and digest food (teens hungry all the time; puberty)

         - absorb nutrients

         - get rid of waste

         - teens: very high metabolic rates; seniors low metabolic rate

- Growth: in size, and multiply number of cells

- cells

https://www.youtube.com/watch?v=od07AZHzr-g

https://www.youtube.com/watch?v=OqsYeksYTj8&t=2s-