The muscle separating the abdominal and thoracic cavities is the:Responsesdiaphramdiaphramdiaphragmdiaphragmdiahragmdiahragmdiapragm

The _________________ separates the thoracic cavity from the abdominal cavity.

A sheet of skeletal muscle extends across the ribcage and lies at the base of the thorax. It separates the thoracic cavity from the abdominal cavity.This muscle is the .

What encloses the lungs and attaches them to the inside of the thoracic cavity?Multiple Choicepleuraealveolicartilaginous ringsboneskeletal muscle

What muscles, along with your diaphragm function in expanding the volume of your thoracic cavity when breathing in ?pectoralis musclesinternal intercostal musclesexternal intercostal musclesgluteal muscles

The _________ divides the thorax and the abdomen.DiaphragmPleuraPericardiumSeptum