Muscular System

Approximately, how many muscles are in the human body?

• 590

• 206

• 640

• 2000

Large muscles of the upper leg.

• quadriceps

• tibialis

• femur

• calf muscle

The muscle that bends your arm?

• gluteus maximus

• tibialis

• bicep

• radius

Muscles that straighten the arm.

• deltoids

• quadriceps

• bicep

• triceps

Sit-ups will help strengthen these muscles.

• hamstring

• abdominals

• gluteus maximus

• deltoids

You sit upon this muscle.

• triceps

• deltoids

• gluteus maximus

• brain

Muscle in the lower leg (calf).

• fibula

• tibialis

• quadriceps

• finger flexors

Type of muscle in the heart.

• smooth

• skeletal

• cardiac

• rippled

Type of muscle in the digestive track.

• digestive

• skeletal

• cardiac

• smooth

Type of muscles that allow us to move.

• skeletal

• cardiac

• smooth

• buff