gr.11 muscular system 1

What is the muscular system made up of?

• All the muscles in the body

• All the muscles in the heart

• Everything in the body

• Bones and muscles

What are the types of muscles?

• Skeletal, cardiac and brain

• Smooth, rough and soft

• Cardiac, Skeletal and smooth

• Skeletal, brain and nerve

Muscles that you can control we say are

• Cramp

• Involuntary

• Voluntary

• Strain

Turning your head both ways before crossing the street

• voluntary

• involuntary

Tendons connect muscles to bone

• TRUE

• FALSE

What is the heart mainly made up of?

• no muscles

• Cardiac muscles

• Smooth muscles

• Skeletal muscles

Non-striated and under involuntary control

• Skeletal Muscle

• Cardiac Muscle

• Smooth Muscle

Striated and under voluntary control

• Skeletal Muscle

• Cardiac Muscle

• Smooth Muscle

Striated and under involuntary control

• Skeletal Muscle

• Cardiac Muscle

• Smooth Muscle

What is the role of tropomyosin in muscle contraction?

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

• To release calcium from the sarcoplasmic reticulum

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