Anursing infant develops a powerful sucking muscle that adults also use for whistling. what is this muscle called?

The powerful muscle which the infant develops during their nursing phase is the buccinator. This is the same muscle which is also been used by the adults in order to whistle or even can be used to blow a trumphet.

The buccinator muscle is a flat and a thin muscle which the nursing infant uses from their wall of the cheek. In adults it act and works as a facial nerve while in the nursing infants it act as a suckling reflex.

It is one of the important muscle in infants & adults.

the abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. the region occupied by the abdomen is termed the abdominal cavity. the stomach secretes acid and enzymes that digest food. ridges of muscle tissue called rugae line the stomach. the stomach muscles contract periodically, churning food to enhance digestion. the pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

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