The answer is skin
The first line of defence is your innate immune system. Level one of this system consists of physical barriers like your skin and the mucosal lining in your respiratory tract. The tears, sweat, saliva and mucous produced by the skin and mucosal lining are part of that physical barrier, too.
Answer and Explanation:
the pectoralis minor is the muscle medial to deltoid muscle the shape of this pectoralis minor is fan shaped muscle of shoulder girdle it originates from third to fifth ribs and insert in coracoid process of the scapula. its lateral part originates from dedial part of deltoid muscle. so we can conclude that pectoralis minor is the medial of deltoid muscle
Over 70 million adults suffer from obesity in America
