Anatomy and Physiology Flashcards
What is anatomy?
Study of the structure of body parts
What is physiology?
Study of the functions of body parts
Who is Andreas Vesalius?
Father of anatomy
What is matter?
Anything that takes up space and has mass (solid, liquid, gas)
What is mass?
How much space an object occupies
What is weight?
Gravitational pull on an object
What is physical change?
Change that does not alter the chemical makeup of an object
What is chemical change?
Change that does alter the chemical makeup of an object. Ex: rust, leaves changing color, burning, sunburn
What is energy?
The ability to do work
What is potential energy?
Exists with the possibility of releasing a force that results in work. Ex: a ball sitting at the top of a hill
What is kinetic energy?
Energy of motion
What are elements?
Substances that cannot be broken down into simpler kinds of matter
How many elements are there?
109 known; 92 natural; 17 synthetic
What are atoms?
Smallest particles of an element
What are protons?
Found in nucleus, positive