What is the difference between anatomy and physiology
ANSWER
Anatomy- study of structure
Physiology- study of function
What are the characteristics of life?
ANSWER
Movement
Responsiveness
Respiration
Absorption
Secretion
Digestion
Assimilation- changing of absorbed substances into chemically different forms
Circulation
Reproduction
Growth
What are the levels of organization
ANSWER
Subatomic particle- protons, electrons, neutrons
Atom
Molecule
1
,Macromolecule
Organelle
Cell
Tissue
Organ
Organ system
Organism
What are the requirements of life?
ANSWER
Water
Food
Heat
Pressure
Oxygen
Define homeostasis
ANSWER
Maintaining of a stable enviroment
Define matter
ANSWER
Anything that takes up space and has mass
Element
ANSWER
Composed of chemically identical atoms
2
,Atom
ANSWER
Smallest particle of atom, basic unit of matter
What is a homeostatic mechanism
ANSWER
Monitors aspects of internal environment and corrects as needed
*negative feedback mechanism
What are structure of an atom
ANSWER
Nucleus
Protons
Neutron
Electrons
Define nucleus, proton, electron, neutron
ANSWER
Nucleus- central part of atom
Proton- positive charge
Electron- negative charge
Neutron- no electrical charge
What are covalent bonds
ANSWER
When two molecules share electron
3
, Ionic bond
ANSWER
Formed when electrons are transferred from one atom to another
Hydrogen bond
ANSWER
Formed between water molecule, attraction between positive end of polar molecule and
negative end of another polar molecule
Define synthesis, decomposition, and exchange reactions
ANSWER
Synthesis- A+B=AB
Decomposition- AB=A+B
Exchange- AB+CD=AD+BC
Define reactant
ANSWER
Starting materials of reactions
Product
ANSWER
Ending material
Define catalyst
ANSWER
A substance that speeds up a chemical reaction
4
ANSWER
Anatomy- study of structure
Physiology- study of function
What are the characteristics of life?
ANSWER
Movement
Responsiveness
Respiration
Absorption
Secretion
Digestion
Assimilation- changing of absorbed substances into chemically different forms
Circulation
Reproduction
Growth
What are the levels of organization
ANSWER
Subatomic particle- protons, electrons, neutrons
Atom
Molecule
1
,Macromolecule
Organelle
Cell
Tissue
Organ
Organ system
Organism
What are the requirements of life?
ANSWER
Water
Food
Heat
Pressure
Oxygen
Define homeostasis
ANSWER
Maintaining of a stable enviroment
Define matter
ANSWER
Anything that takes up space and has mass
Element
ANSWER
Composed of chemically identical atoms
2
,Atom
ANSWER
Smallest particle of atom, basic unit of matter
What is a homeostatic mechanism
ANSWER
Monitors aspects of internal environment and corrects as needed
*negative feedback mechanism
What are structure of an atom
ANSWER
Nucleus
Protons
Neutron
Electrons
Define nucleus, proton, electron, neutron
ANSWER
Nucleus- central part of atom
Proton- positive charge
Electron- negative charge
Neutron- no electrical charge
What are covalent bonds
ANSWER
When two molecules share electron
3
, Ionic bond
ANSWER
Formed when electrons are transferred from one atom to another
Hydrogen bond
ANSWER
Formed between water molecule, attraction between positive end of polar molecule and
negative end of another polar molecule
Define synthesis, decomposition, and exchange reactions
ANSWER
Synthesis- A+B=AB
Decomposition- AB=A+B
Exchange- AB+CD=AD+BC
Define reactant
ANSWER
Starting materials of reactions
Product
ANSWER
Ending material
Define catalyst
ANSWER
A substance that speeds up a chemical reaction
4
