Structure and Support

Which of the following is stored in the skeletal system?

• potassium

• calcium

• sodium

• phosphorous

The three types of muscle cells in the muscular system are...

• neurons, blood, arteries

• cardiac, skeletal, and smooth

• heart, skull, liver

Which type of joint allows bones to move back and forth in a single direction?

• hinge

• pivot

• ball & socket

A thick, hard outer covering that protects and supports an animal's body (like the scorpion) is called...

• hydrostatic skeleton

• exoskeleton

• shell-eton

Which of the following muscles are VOLUNTARY muscles?

• skeletal muscles

• cardiac muscle

• smooth muscles

What type of stem does the flower pictured above have?

• herbaceous stem

• woody stem

Which of the following plant structures helps the plant absorb water an other minerals from the soil?

• the stem

• the roots

What happens when a muscle CONTRACTS?

• The muscle pushes on another bone.

• The muscle shortens.

• The muscle pushes on another muscle.

• The muscle gets longer.

Made of strong tissue that can contract.

• muscle

• joint

• ligaments

• cells

This is the location where two bones meet.

• ligaments

• muscles

• joints

• tendons