Skeletal System
Muscular System
Circulator System
Respiratory System
Science Fair
100

Which joint moves side-to-side?

Pivot joint

100

What kind of movement do you control?

Voluntary

100

What color cells help fight diseases?

White blood cells

100

What are the branch-like airways called in the lungs?

bronchioles

100

What part if the scientific method is the prediction?

Hypothesis

200

Which joint moves back-and-forth?

hinge

200

What happens to your triceps when the biceps contract?

They relax.

200

What carries blood away from the heart?

arteries

200

What are the small sacks that fill with oxygen in your lungs?

Alveoli

200

Which variable do you measure in an experiment?

Dependent

300

Which joint moves in a circular movement?

ball-and-socket

300

What connects the muscles to the bones?

tendons

300

What carries blood to the heart?

veins

300

When you breathe, the air travels from your nose or mouth into your________.

Trachea

300

What must you record during an experiment?

data/results

400

What connects bone to bone?

ligaments

400

What kind of movement happens automatically, such as your heart?

Involuntary

400

What stops bleeding by sticking together and forming clots?

Platelets

400

These are the large organs where oxygen enters.

Lungs

400

What are the steps of an experiment known as?

Procedure

500

What is the inside of a bone called? (Red blood cells are made here.)

marrow

500
Demonstrate contracting a muscle. 

EX: kicking, flexing your arm, etc.

500

What organ pumps blood?

heart

500

What happens to someone's bronchi when they have asthma?

The bronchi become swollen and close up causing the person to not breathe well or at all. 

500

Which variable is constant?

Control