This muscle closes the eyes, allowing you to wink or blink. a. orbicularis oris b. orbicularis oculi c. corrugator supercilii d. frontal belly of the epicranius

b. orbicularis oculi

Explanation: The muscle that is responsible for the closure of the eyelids which results to involuntary blinking, squinting or winking of the eyes is called the Orbicularis oculi muscle. The Orbicularis oculi muscle is located in the face and It is made up of two portions that is the palpebral portion and the orbital portion.

in 1972 the fluid—mosaic membrane model of membrane structure was proposed based on thermodynamic principals of organization of membrane lipids and proteins and available evidence of asymmetry and lateral mobility within the membrane matrix [s. j. singer and g. l. nicolson, science 175 (1972) 720–731].

a- all cells come from pre-existing cells