MUSCLES OF THE FACIAL EXPRESSION- orbital group

Question 1

orbicularis oculi

Answer 1

1. orbital sphincter
2. closes eyelids
3. palpebral part does it so gently
4. orbital part closes tightly (wrinkles)

Question 2

corrugator supercilii

Answer 2

1. draws eyebrows medially inferiorly
2. vertical wrinkles above the nose
3. worry or concern