Lecture 1

Question 1

What is Physiology?

Answer 1

Physiology is a branch of biology that studies how living organisms function.

Question 2

What are the unifying concepts in Physiology?

Answer 2

1.) Integrates across levels of biological organization (molecules, cells, tissues, organs, organ systems)

2.) Obeys the laws of physics and chemistry (Fick’s 1st law, entropy, pressure & electrical potentials are all critical to muscle function and energetics)

3.) Highly regulated (Homeostasis, Feedback loops, etc.)

4.) Shaped by evolution.