«Internal structure of the human body Grade 2» download coloring pages

The human body is made up of several different systems, including the circulatory system, the digestive system, the respiratory system, the nervous system, and the skeletal system. Each system has its own unique functions and structures that work together to keep the body functioning properly.

The circulatory system is responsible for transporting oxygen and nutrients to the cells of the body. It is made up of the heart, blood vessels, and blood. The digestive system is responsible for breaking down food and absorbing nutrients. It is made up of the mouth, esophagus, stomach, small intestine, and large intestine.

The respiratory system is responsible for taking in oxygen and expelling carbon dioxide. It is made up of the nose, trachea, bronchi, and lungs. The nervous system is responsible for sending signals to the brain and controlling the body's movements. It is made up of the brain, spinal cord, and nerves. Finally, the skeletal system is responsible for providing structure and support to the body. It is made up of bones, ligaments, and tendons.

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