Independent Variable (Manipulated)
Circulatory System or Cardiovascular System function
Excretory System function
Nervous System function
Controlled Variable
Respiratory System Subsystems
Scientific Evidence
Muscular System Subsystems
Digestive System Subsystems
Respiratory System function
Excretory System Subsystems
Dependent Variable (Responding)
Scientific knowledge
Nervous System Subsystems
Hypothesis
Circulatory System or Cardiovascular System Subsystems
Digestive System function
Muscular System function
Organ System
System made of the following major organs: nose, trachea, and lungs.
System made of the following major organs: arteries, veins, heart, and capillaries
Variable that is measured in an experiment (the effect)
If/Then (Cause/Effect) statement that answers the question before an experiment
Based on many thousands of experiments using the scientific method
Data from an experiment
System made of the following major organs: mouth, esophagus, stomach, small intestine, and large intestine
Subsystem of 2 or more organs that work together to bring oxygen into the body and get rid of carbon dioxide.
System made of the following major organs: kidneys, ureters, & bladder
Variable that is changed in an experiment (the cause)
Subsystem of 2 or more organs that work together to break down food into absorbable units that enter the blood for distribution to body cells.
System made of the following major organs: Brain & spinal cord
Subsystem of 2 or more organs that work together to transport oxygen, waste, nutrients, hormones, heat, etc... around the body
The variable that is kept the same in an experiment
Subsystem of 2 or more organs that work together to enable movement of the body and internal organs
A group of organs that work together in performing vital body functions.
System made of the following major organs: skeletal muscles like biceps/triceps, smooth muscles like the organs, and cardiac muscles like the heart
Subsystem of 2 or more organs that work together to allow the different parts of the body to communicate with one another through nerve impulses.
Subsystem of 2 or more organs that work together to remove waste from the body