The three arching structures located in the inner ear that respond to head movements and provide information regarding balance are called the

The correct answer is "semicircular canals".

Explanation:

The semicircular canals are three fluid-filled tubes located in the inner ear that provide balance to the body. The fluid that contain the semicircular canals is known as endolymph and it moves in continuity with the head, allowing to sense head movements and rotations. People that suffer from superior semicircular canal dehiscence syndrome (SSCD), experience vertigo and the appearance that stationary objects are moving.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.