Elements making up human body
Which 4 elements make up 96.1% of human body?
What is:
Oxygen
Carbon
Hydrogen
Nitrogen
Energy has no _____ and does not take up _____.
What is MASS and SPACE.
The four main organic compounds found in the human body are____.
What is CARBOHYDRATES, LIPIDS, PROTEINS, NUCLEIC ACIDS
Has a pH of 0-6
What is an ACID
What is the most abundant inorganic compound in the body?
What is WATER
Which elements is found as a salt in bones and teeth?
What is calcium.
The four forms of energy are?
What is CHEMICAL, ELECTRICAL, MECHANICAL and RADIANT.
_____ is classified according to size and solubility in water as monosaccharides, disaccharides, or polysaccharides.
What is CARBOHYDRATES
Has a pH greater than 7.
What is a BASE
Water has 4 properties that make it so vital to life. What are they?
What is
High heat capacity
Polarity/solvent properties
chemical reactivity
cushioning
Which element is needed to make functional thyroid hormones?
What is Iodine.
In the body, chemical energy from food is trapped in the bonds of a high-energy chemical called ___.
What is ATP (ADENOSINE TRIPHOSPHATE).
What is TRIGLYCERIDES
Have a bitter taste, feel slippery, and are proton acceptors.
What is a BASE
Prevents the sudden changes in body temperature that might otherwise result from intense sun exposure, chilling winter winds, or internal events.
What is HIGH HEAT CAPACITY
The primary element in organic molecules; as an ion it influences the pH of body fluids.
What is Hydrogen
What form of energy is used to transmit messages from one part of the body to another?
What is ELECTRICAL ENERGY
An enzyme is a ____ that acts as a biological ____.
What is PROTEIN and CATALYST
Acid-base balance is carefully regulated by the kidneys, lungs, and a number of chemicals called ____.
What is a BUFFER.
An ionic compound containing cations and anions. EX. Na+ and Cl-.
What is a SALT
In ionic form, the most abundant extracellular anion.
What is Chlorine OR What is Chloride
What type of energy is available when we are still?
What is POTENTIAL ENERGY
Composed of carbon, oxygen, hydrogen, nitrogen and sometimes phosphorus/sulfur.
What are NUCLEIC ACIDS.
Egg whites are an acid or base?
Base pH=8
Salts are _____- a substance that conducts an electrical current in solution.
What is an ELECTROLYTE