The external intercostals Blank______ the ribs during inspiration.Multiple choice question.elevatelower

During inspiration, the external _____ muscles _____ to _____ the rib cage. Group of answer choicesintercostal, relax, elevateintercostal, contract, elevateshoulder, relax, elevateshoulder, contract, lower

Inspiration occurs because Blank______.Multiple choice question.a creation of a partial vacuum in the alveoli causes air to enter the lungsthe diaphragm relaxes and moves upa creation of a partial vacuum in the bronchioles causes air to enter the lungsthe rib cage moves down and in

Which of the following are parts of inspiration?Check All That ApplyThe rib cage moves up and out.The rib cage moves up and out.The intercostal muscles pull the ribs outward.The intercostal muscles pull the ribs outward.The diaphragm contracts and moves down.The diaphragm contracts and moves down.Air rushes out of the lungs.

During inspiration, the diaphragm __________, causing a(n) __________ in thoracic volume and a(n) __________ in alveolar pressure.Multiple Choicerelaxes; decrease; increasecontracts; decrease; increasecontracts; increase; decreaserelaxes; increase; decrease

The esophagus and trachea both connect to the Blank______.Multiple choice question.stomachpharynxepiglottisnasal cavity