The intercostal veins drain blood from the intercostal muscles into the ________ vein.

A) axillary
B) internal jugular
C) subscapular
D) azygous

Intercostal Veins

Veins located between the ribs that drain blood from the chest wall and muscles back to the heart.

Intercostal Muscles

Muscles located between the ribs that assist with the breathing process by expanding and contracting the chest cavity.

Azygous Vein

A vein running up the right side of the thoracic vertebral column that drains blood from the chest wall and upper limbs back to the heart.