Skeletal and Muscular Systems

Which is NOT a function of the skeletal system?

• to help circulate blood

• To protect our organs

• to make blood cells in bone marrow

• to support the body

A place where two bones meet is called a:

• cartilage

• joint

• tendon

• ligament

What is an example of an involuntary muscle?

• the lining of your muscles

• your heart beating to pump blood

• the pupil in your eye dilating with light

• all of these

What is an example of a voluntary muscle?

• smooth muscle

• skeletal muscle

• cardiac muscle

Your nose and ears are made up of:

• bones

• tendons

• ligaments

• cartilage

Muscles work together by:

• one expanding and the other contracting

• only one pulling

• working harder

• pushing bones together

Cardiac muscles are found only where?

• the brain

• the heart

• the stomach

• the lungs

What is the main job of the muscular system?

• helps circulate blood

• brings in oxygen

• helps digest food

• helps with movement

The chemical that causes muscle fatigue is called:

• lactic acid

• hydrocloric acid

• vinegar

• trisodium phosphate

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NGSS.HS-LS2-3

What is an involuntary muscle movement?

• one you CAN control

• one you CAN'T control