ANATOMY

Detailed explanation-1: -The body is made up of multiple systems. Two of these systems are the digestive system and circulatory system. The digestive system includes the stomach and small and large intestines. The circulatory system includes the heart, blood vessels and blood.

Detailed explanation-2: -Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body. Your blood carries the oxygen and nutrients that your organs need to work properly.

Detailed explanation-3: -The human body is composed of several different cells, tissues, and organs. An organ system represents multiple organs that work collectively to accomplish a specialized function for the body.

Detailed explanation-4: -While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.