The muscular system

Which type of human body tissue can contract, or shorten?

• epithelial tissue

• muscle tissue

• connective tissue

• nerve tissue

Which type of muscle is found only in the heart?

• cardiac muscle

• voluntary muscle

• soft muscle

• smooth muscle

Which type of muscle tires quickly during exercise?

• skeletal muscle

• breathing muscle

• cardiac muscle

• smooth muscle

How do pairs of skeletal muscles work together?

• One muscle in the pair pulls on a bone, while the second muscle pulls on the first muscle.

• While one muscle in the pair contracts, the other returns to its original length.

• Both muscles extend at the same time.

• One contracts and the other stretches.

Exercise is important for muscles because it

• helps maintain strength and flexibility.

• gives muscles more energy.

• prevents muscles from becoming tired.

• prevents muscle injuries.

Where in the body is this cardiac muscle found?

• heart

• brain

• knee

• stomach

What type of muscle is indicated in the picture?

• cardiac

• smooth

• skeletal

• epithial

Which of the following is NOT a voluntary muscle?

• biceps

• triceps

• gluteus maximus

• esophagus

Which of the following is NOT an involuntary muscle?

• heart

• stomach

• intestines

• deltoid

What muscle is highlighted in the picture?

• Triceps

• Biceps

• Quads

• Deltoids