Chapter 2 Part 1 (Basic Chemistry) Flashcards
1
Q
Define Matter
A
Anything that occupies space and has mass
2
Q
Define Energy
A
The ability to do work
3
Q
What are the four major forms of energy in the body?
A
- Chemical
- Electrical
- Mechanical
- Radiant
4
Q
How is chemical energy used in the body?
A
Fuels all body activities
5
Q
How is electrical energy used in the body?
A
Electrical currents are used to transmit messages (nervous system)
6
Q
What is mechanical energy?
A
Energy directly involved in moving matter
7
Q
How is radiant energy used in the human body?
A
Light energy stimulated the retinas of the eye
8
Q
Define Element
A
Building blocks of matter
