Body Systems
Controls body functions and communication
What is the Nervous System?
This human activity significantly increases the amount of carbon dioxide in the atmosphere.
What is the burning of fossil fuels?
The basic unit of matter
What is the atom?
This is the first step in the Scientific Method
What is ask a question?
These body parts provide the body with support and protection.
What are bones?
The process of breaking down food into smaller molecules
What is digestion?
The slowest biogeochemical cycle.
What is the Phosphorous Cycle?
A substance made up of only one type of atom.
What is an element?
The variable that the researcher changes (or manipulates) during an experiment.
What is the independent variable?
This blood vessel carries blood away from the heart.
What are arteries?
This body system is responsible for filtering waste from the blood.
What is the urinary system?
The major reservoir for nitrogen in the nitrogen cycle.
The part of an atom with a negative charge.
What is an electron?
The variable that responds to independent variable and is the variable that is measured by the researcher.
What is the dependent variable?
New red blood cells are produced in this body part.
The majority of nutrient absorption takes place in this body part of the digestive system.
What is the small intestine?
The primary way that nitrogen enters the biosphere.
What is nitrogen fixation?
Water rising up the stem of a plant is an example of this special property of water.
What is capillary action?
This property of water allows water molecules to stick to other water molecules.
What is cohesion?
This organ produces insulin that regulates blood sugar levels.
What is the pancreas?
Fertilizer overuse has this impact on the nitrogen cycle.
What is nutrient runoff and water pollution?
This property of water allows water molecules to stick to other substances.
What is adhesion?
This type of muscle is responsible for voluntary movements.
What are skeletal muscles?