Ch. 8 muscular system

What are the 3 types of muscle tissue?

• Thigh, Calf, & Shoulder
• Traps, Forearm, & Abs
• Hamstring, Biceps, & Triceps
• Smooth Muscle, Cardiac Muscle, & Skeletal Muscle

Which type of muscle is found in your heart?

• Skeletal
• Smooth
• Cardiac
• Straight

When a muscle contracts, it _______

• gets longer
• gets shorter
• gets thinner
• grows hair

Voluntary muscle is

• muscle that has to be told when to move
• muscle that moves automatically
• muscle that needs to be stretched regularly
• muscle that makes up the heart and stomach

Muscles can move body parts because muscles are attached to 

• tendons and bones
• skin and hair
• each other 
• arms and legs

The main purpose of the muscular system is to....

• Keep the heart beating
• Move the body
• Hit the dab
• Transfer oxygen

In what range of motion does the limb move away from the median plane?

• Abduction

• Adduction

• Extension

• Flexion

What term means “loss of muscle mass”?

• Atrophy

• Dystrophy

• Myopathy

• Myositis

What are the important functions of muscles

• Movement of bones or fluids (e.g., blood)

• Maintaining posture and body position

• Stabilizing joints

• All of the above

These filaments have a large head that can attach to actin filaments

• ATP
• myosin
• DNA
• membranil