Step 1: What holds your body together? Fundamental idea: You

Step one: What holds your body together?

Fundamental idea:

Your body is not just cells; it is also scaffolding that holds everything in place. That scaffolding is called connective tissue.

Connective tissue:

Gives shape (aorta wall, ligaments, lens zonules, skeleton) . Must be strong but elastic (aorta must stretch with each heartbeat, ligaments must allow movement but not tear) . One key "spring" protein in this scaffolding is fibrillin-one.