consists of the brain and the spinal cord, as well as the retina. Recieves, processes, and responds to all physical stimuli.
Example: if you burn your hand on the stove, this system prompts you to remove your hand from the stove.
CENTRAL NERVOUS SYSTEM
Heart, blood, and blood vessels.
Delivers Oxygenated blood from the heart to the rest of the body and returns the blood to the heart to be re-oxygenated.
Mouth, wsophagus, stomach, small and large intesines, rectum and anus.
Breaks down food into smaller substances that the bodt can absorb and process into energy, and eliminates the resulting waste.
consist of bones, joints, voluntary muscles, and the involuntary muscles.
Bones support the body's muscles and organs; joints allow bones to move; voluntary muscles work in pairs to move joints; involuntary muscles you cant control and are found in organs such as the heart.
Nose, Nasal cavity, trachea, lungs, and blood
Inhales air, uses the oxygen in the air to release energy, and exhales the carbon dioxide that results from this process.