muscular system

How many muscles are in the human body?

• 700

• 600

• 650

• 750

Which muscle helps in the movement of the eyes?

• Extraocular muscles

• Orbicularis Oculi

• Levator Palpebrae Superioris

• Corrugator Supercilii

What is the largest muscle in the human body?

• Gluteus Maximus

• Biceps

• Latissimus Dorsi

• Quadriceps

What is the smallest muscle in the human body?

• Stapedius

• Tensor Tympani

• Palmaris Longus

• Levator Labii Superioris

Which muscle is responsible for the movement of the arm?

• Deltoid

• Brachialis

• Triceps

• Biceps

Which muscle is responsible for the movement of the leg?

• Quadriceps

• Hamstrings

• Gastrocnemius

• Tibialis Anterior

We would expect to find cardiac mucle in all of the following exept?

• Pulmonary circulatory muscle

• Esophagus

• Small intestine

• Myocardial tissue

Which if the following is not innervated by the autonomatic nervous system?

• Branching muscle tissue

• Striated skeletal muscle cell

• Myocardial muscle

• Intestinal muscle cell

What is the role of tropomyosin in muscle contraction?

• To release troponin from tropomyosin, allowing myosin to bind to the actin filament

• To prevent myosin from continuing to slide up the actin filament

• To release calcium from the sarcoplasmic reticulum

• To aid in myosin ‘cocking’ on the actin filament

Put the muscle components in order from smallest to largest

• Myofibril

• Fasciculus

• Muscle fiber