ECPI ANATOMY PHYSIOLOGY UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS COMPLETE STUDY GUIDE
RESOURCE
●● WHAT DOES PHYSIOLOGY STUDY?
Answer: Study of the functions of the human body and its parts
- Derived from the Greek word "relationship to nature"
●● LEVELS OF ORGANIZATION IN ORDER:
Answer: 1. Subatomic particles
2. Atom
3. Molecule
4. Macromolecule
5. Organelle
6. Cell
7. Tissue
8. Organ
9. Organ System
10. Organism
,●● SUBATOMIC PARTICLES:
Answer: Protons, neutrons, and electrons that make up cells
Level #1 in level of organizations (lowest level of organization)
●● ATOM:
Answer: Tiny particles that make up chemicals (hydrogen, carbon)
Level #2 in level of organizations
●● MOLECULE:
Answer: Particles consisting of atoms joined together (water, glucose)
Level #3 in level of organizations
●● MACROMOLECULE:
Answer: Large particles consisting of molecule (DNA, Protein)
Level #4 in level of organizations
●● ORGANELLE:
,Answer: Functional part of a cell (mitochondrion, lysosome)
Level #5 in level of organizations
●● CELL:
Answer: Basic unit of structure and functions (muscle, nerve, or blood
cell)
Level #6 in level of organizations
●● TISSUE:
Answer: Layer or mass of cells with specific function (adipose tissue)
Level #7 in level of organizations
●● ORGAN:
Answer: Group of different tissues with a function (heart, kidney,
stomach)
Level #8 in level of organizations
●● ORGAN SYSTEM:
Answer: Group of organs with common function (digestive system)
, Level #9 in level of organization
●● ORGANISM:
Answer: Composed of organ systems interacting (human)
Level #10 in level of organization (highest level)
●● LIFE DEPENDS ON 5 ENVIRONMENTAL FACTORS. WHICH
ONES?
Answer: 1. Water
2. Food
3. Oxygen (gas)
4. Heat
5. Pressure
●● WATER:
Answer: - Most abundant substance in body
- Environment for metabolic processes
- Required for transport of substances
- Regulation of body temperature
- Water in cell: 65% - intracellular fluid
ACTUAL QUESTIONS AND CORRECT
ANSWERS COMPLETE STUDY GUIDE
RESOURCE
●● WHAT DOES PHYSIOLOGY STUDY?
Answer: Study of the functions of the human body and its parts
- Derived from the Greek word "relationship to nature"
●● LEVELS OF ORGANIZATION IN ORDER:
Answer: 1. Subatomic particles
2. Atom
3. Molecule
4. Macromolecule
5. Organelle
6. Cell
7. Tissue
8. Organ
9. Organ System
10. Organism
,●● SUBATOMIC PARTICLES:
Answer: Protons, neutrons, and electrons that make up cells
Level #1 in level of organizations (lowest level of organization)
●● ATOM:
Answer: Tiny particles that make up chemicals (hydrogen, carbon)
Level #2 in level of organizations
●● MOLECULE:
Answer: Particles consisting of atoms joined together (water, glucose)
Level #3 in level of organizations
●● MACROMOLECULE:
Answer: Large particles consisting of molecule (DNA, Protein)
Level #4 in level of organizations
●● ORGANELLE:
,Answer: Functional part of a cell (mitochondrion, lysosome)
Level #5 in level of organizations
●● CELL:
Answer: Basic unit of structure and functions (muscle, nerve, or blood
cell)
Level #6 in level of organizations
●● TISSUE:
Answer: Layer or mass of cells with specific function (adipose tissue)
Level #7 in level of organizations
●● ORGAN:
Answer: Group of different tissues with a function (heart, kidney,
stomach)
Level #8 in level of organizations
●● ORGAN SYSTEM:
Answer: Group of organs with common function (digestive system)
, Level #9 in level of organization
●● ORGANISM:
Answer: Composed of organ systems interacting (human)
Level #10 in level of organization (highest level)
●● LIFE DEPENDS ON 5 ENVIRONMENTAL FACTORS. WHICH
ONES?
Answer: 1. Water
2. Food
3. Oxygen (gas)
4. Heat
5. Pressure
●● WATER:
Answer: - Most abundant substance in body
- Environment for metabolic processes
- Required for transport of substances
- Regulation of body temperature
- Water in cell: 65% - intracellular fluid
