Muscular System (MS)

Question 1

What are the 3 types of muscles?

Answer 1

Cardiac
Smooth
Skeletal

Question 2

What are the features of the cardiac muscle

Answer 2

1. Found in the walls of the heart
2. Circulate blood through & out of the heart
3. Not consciously controlled
   - Does not fatigue
   - Has a set rhythm of contraction

Question 3

What are the features of the smooth muscle

Answer 3

1. Found in the walls of hollow organs
2. Controls movement of food, urine & blood
3. Unconsciously controlled

Question 4

What are the features of the skeletal muscle?

Answer 4

1. Attached to the bones of the skeletal system
2. Helps with movement, support & posture
3. Consciously controlled

Question 5

What are 4 examples of hollow organs?

Answer 5

Esophagus, stomach, small intestine & urinary bladder.

Question 6

The 9 structures of muscular system

Answer 6

Bone
Muscle belly
Muscle bundle (fascicle)
Myofibril (make up a muscle fibre)
Filaments (make myofibril)
Blood supply (each muscle has one)
Endomysium (sheath around muscle fibre)
Perimysium (sheath around muscle bundle)
Epimysium (sheath around muscle belly)