Body Organization
The correct order of body organization from simplest to most complex
What is Cell, tissue, organ, system, organism
The state of internal balance maintained by the body
What is Homeostasis
These four elements make up about 96% of body weight
What is Hydrogen, oxygen, carbon, nitrogen
Type of bond formed when electrons are transferred between atoms
What is Ionic bond
The most basic unit of all life
What is a Cell
The outermost body system that includes skin, hair, and nails
What is the Integumentary system
The main method for maintaining homeostasis that reverses changes
What is Negative feedback
Positively charged particles in the nucleus of an atom
What is Protons
Type of bond formed when atoms share electrons
What is Covalent bond
Tiny finger-like projections that increase absorption surface area
What is Microvilli
This system includes the brain, spinal cord, and nerves
What is the Nervous system
This thin, moist barrier lines the digestive and respiratory tracts
What is Mucous membrane
The electrons in this region determine chemical reactivity
What is Outermost energy level
The smallest unit of a covalently bonded substance
What is a Molecule
Small dense body in the nucleus that assembles ribosomes
What is Nucleolus
A difference in physical or chemical values between two areas
What is Gradient
Compounds that release ions when dissolved in water
What is Electrolytes
The smallest complete units of matter
What is Atoms
Any substance composed of two or more different elements
What is a Compound
Membrane proteins that change shape to transport substances
What are Transporter proteins
This plane divides the body into superior and inferior parts
What is the Transverse plane
The directional term meaning nearer to the midline of the body
What is Medial
The number equal to the number of protons in an atom’s nucleus
What is the Atomic number
A combination of substances that are not chemically bonded
What is a Mixture
The cell’s powerhouses that produce ATP
What is a Mitochondria