The Basics of Nutrition. “You are what you eat” Food is your body’s fuel Food is eaten ◦ It is broken down into simpler elements ◦ Energy is released.
Matter Chapter 2 Modified from Holt, Rinehart, and Winston presentation for textbook Science Spectrum: Physical Science.
Cell Membrane. Cell Membrane (cont’d) The conditions within a cell must remain relatively constant at all times The process of maintaining this constant.
Cell Membrane & Cellular Transport. HOMEOSTASIS AND TRANSPORT Cell membranes help organisms maintain homeostasis by controlling what substances may enter.
Bellwork
