Study Guide

Animal Systems Topics

The Immune System

It's payday. You're standing in line at the bank, minding your own business and finally cashing...

The Endocrine System

It's the night of the big game, and you’re the home team’s star quarterback. The...

The Nervous System

As the captain of a space ship, you've been put in charge of exploring the final frontier. After...

Fitting It All Together

Just to have an example, let's suppose the immune system senses a dangerous threat, like cancer...

Common Mistakes

The immune system is really complicated, we know. There's a lot to keep track of: how cells kill...

Test Your Knowledge

1) List three differences between B and T cells.2) Vaccination is an example of what type of...

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