Scientific Method
A possible answer to a scientific question.
The hypothesis
Where does food enter the digestive system.
The mouth
The chambers of the heart that pump blood to the lungs and all other body areas are
The left and right ventricles
Which system circulates blood throughout the body
The circulatory system
What are cells made up of
Organelles
The variable that is purposely changed in an experiment
Independent variable
Where does food go to enter the stomach
The esophsgus
Special proteins produced by the blood that protect against diseases are
Antibodies
4
What system controls your nutrition
Digestive system
The variable that can change in response to the independent variable
The responding variable
What are the end products of protein digestion
Amino acids
A sudden increase in the number of white blood cells may be an indication of
an infection
What are the building blocks of the human body
Why should you wear safety goggles during an experiment
To prevent things from getting into your eyes
What is reporting your data
Sharing your findings with other
Digested nutrients are absorbed into the blood through structures called
Villi
Arteries transport blood from
the heart to the capillaries
What is made by groups of cells
Tissue
What is a variable
A factor that can change in an experiment that must be the same
What is the experimental group
The group with the factor being tested
What is the main function of the digestive
To break down large molecules into smaller molecules
What returns blood to the heart
Veins
The stability and balance of the human body is
homeostasis
Elements combine to form compounds through
Chemical bonding