GROSS ANATOMY

Detailed explanation-1: -The skin is superficial to the heart. The heart is deep to the ribs. The toes are anterior (or ventral) to the heel. The spine is posterior (or dorsal) to the sternum.

Detailed explanation-2: -The base of the heart is located at the level of the third costal cartilage, as seen in Figure 16.1. 1. The inferior tip of the heart, the apex, lies just to the left of the sternum between the junction of the fourth and fifth ribs near their articulation with the costal cartilages.

Detailed explanation-3: -The dorsal surface of the heart lies near the bodies of the vertebrae, and its anterior surface sits deep to the sternum and costal cartilages.

Detailed explanation-4: -Your heart is located in the front of your chest. It sits slightly behind and to the left of your sternum (breastbone). Your ribcage protects your heart.

Detailed explanation-5: -Located above the heart are the great vessels: the superior and inferior vena cava, the pulmonary artery and vein, as well as the aorta. The aortic arch lies behind the heart. The esophagus and the spine lie further behind the heart.