It can be spelled as either non tender or non-tender
Both are correct
Answer:
intercostal muscles are many different groups of muscles that run between the ribs and help form and move the chest wall.the intercostal muscles are mainly involved in the mechanical aspect of breathing by helping expand and shrink the size of the chest cavity.they also help to solidify the thoracic region and protect the lungs.
I hope this helps
Answer:
Their upper extremities are on a level with the upper border of the twelfth thoracic vertebra, their lower extremities on a level with the third lumbar. The right kidney is usually slightly lower than the left, probably on account of the vicinity of the liver.
