Anatomy and Physiology 1: Exam 2 Questions
and Answers
matter - ✅✅1. anything that has mass and takes up space
2. can exist in 1 of 3 states
3 states of matter - ✅✅1. Solid
2. Liquid
3. Gas
energy - ✅✅the capacity to do work
3 forms of energy - ✅✅1. kinetic energy
2. chemical energy
3. electrical energy
kinetic energy - ✅✅energy of motion
chemical energy - ✅✅energy contained in chemical bonds between atoms and molecules
electrical energy - ✅✅energy from moving electrical charge
chemical elements - ✅✅a substance that can't be broken down into simpler substances; consists of
atoms (ex. an atom of oxygen)
major elements of the body - ✅✅98.5% of our body weight is made of:
1. hydrogen
2. oxygen
, 3. nitrogen
4. carbon
atom - ✅✅basic unit of matter.
3 subatomic particles - ✅✅1. Protons
2. Neutrons
3. Electrons
proton - ✅✅- positive charge
- found in the nucleus
neutron - ✅✅- neutral (no charge)
- found in the nucleus
electron - ✅✅- negative charge
- found in circular cloud around nucleus (electron cloud)
molecules - ✅✅chemical particles composed of 2 or more atoms united in a chemical bond
compounds - ✅✅- molecules composed of 2 or more different elements
- a compound is a type of molecule
chemical bonds - ✅✅forces that hold molecules together or attract one molecule to another
types of chemical bonds - ✅✅1. Ionic Bonds
2. Covalent Bonds
3. Hydrogen Bonds
and Answers
matter - ✅✅1. anything that has mass and takes up space
2. can exist in 1 of 3 states
3 states of matter - ✅✅1. Solid
2. Liquid
3. Gas
energy - ✅✅the capacity to do work
3 forms of energy - ✅✅1. kinetic energy
2. chemical energy
3. electrical energy
kinetic energy - ✅✅energy of motion
chemical energy - ✅✅energy contained in chemical bonds between atoms and molecules
electrical energy - ✅✅energy from moving electrical charge
chemical elements - ✅✅a substance that can't be broken down into simpler substances; consists of
atoms (ex. an atom of oxygen)
major elements of the body - ✅✅98.5% of our body weight is made of:
1. hydrogen
2. oxygen
, 3. nitrogen
4. carbon
atom - ✅✅basic unit of matter.
3 subatomic particles - ✅✅1. Protons
2. Neutrons
3. Electrons
proton - ✅✅- positive charge
- found in the nucleus
neutron - ✅✅- neutral (no charge)
- found in the nucleus
electron - ✅✅- negative charge
- found in circular cloud around nucleus (electron cloud)
molecules - ✅✅chemical particles composed of 2 or more atoms united in a chemical bond
compounds - ✅✅- molecules composed of 2 or more different elements
- a compound is a type of molecule
chemical bonds - ✅✅forces that hold molecules together or attract one molecule to another
types of chemical bonds - ✅✅1. Ionic Bonds
2. Covalent Bonds
3. Hydrogen Bonds
