Transport in cells. Bell ringer: How do things get in an out of a cell?. Balloon Observations. Observe the balloon on your table. Write down what you notice about these balloons. Remember, observations use ALL senses. . Balloon Observations. How could you smell what was inside the balloon?.
Bell ringer: How do things get in an out of a cell?
Bell Ringer: Think of a real-life situation where diffusion occurs.
Bell ringer: What are the three kinds of passive transport we have already learned? What do they have in common?