muscle
Muscle tissue.
Muscle dumby haha
Muscle dumby haha
Zygomaticus
The muscle used to smile is called the zygomaticus major. When this muscle contracts, it pulls the corners of the mouth upward, creating a smile. This muscle is essential for expressing happiness because it is a key component of a genuine smile, which is often associated with positive emotions and feelings of joy.
orbicularis oris
The zygomaticus muscle is responsible for elevating the corners of the mouth and lips.
The zygomaticus major muscle is the primary muscle responsible for facial expressions such as smiling. When this muscle contracts, it pulls the corners of the mouth upward, creating the smile.
the vagina plasmid
Botox actually paralyzes the muscle that it is injected into. If you ask the person to smile, they will not be able to use that muscle. Great care has to be taken as this is the deadliest toxin known.
Smiling is an action produce by more than one muscle but the nerve that allows you to do that is the facial nerve (7th cranial nerve). Facial nerve has 5 branches and the action of all 5 allows you to smile nicely. The temporal branch allow you to wrinkle your forehead, the zygomatic branch allows you to partially close your eyes, the buccal branch allow you to elevate your chin, and the marginal mandibular allow you to widen your mouth laterally.