Contents 1. Basic Recall...
B2: Cells & Control
Cells (B2a-d).
Control (B2e-f)
2.
C3: Atomic structure
C4: Periodic Table
Diagrams
B2: Cells & Control
C3: Atomic Structure..
C4: Periodic Table
3. Practice Questions...
B2: Cells & Control
C3 & C4: Atomic Structure & Periodic Table
B2, C3, C4 to help. this is science ​

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?