The document describes a homework assignment to create a concept map summarizing either the nervous and chemical control of maintaining a steady heart rate or increasing the heart rate, or the nervous and chemical control of decreasing the heart rate, with the concept map limited to a single page.

1. Lesson 4.7- Describe the chemical and nervous control of the heartbeat.
Assignment
I. Homework:
a. Create either a concept map of the nervous and chemical control of:
i. Maintaining a steady heart rate or increasing the heart rate,
or
ii. Decreasing the heart rate