2. THE HUMAN BODY CHAPTER 3

3. THE RESPIRATORY SYSTEM w NOSE- warms & filters air w PHARYNX AND TRACHEA- normal swallowing controls don’t operate when unconcious w LUNGS BREATHING

4. CIRCULATORY SYSTEM w HEART w VEINS & ARTERIES w BLOOD BLOOD PRESSURE

5. NERVOUS SYSTEM w CENTRAL NEVOUS SYSTEM- brain and spinal cord w AUTONOMIC NERVOUS SYSTEM- nerves that control the HR, Digestion, Sweating etc.

6. SKELETAL SYSTEM w SKULL w SPINAL COLUMN w THORAX w PELVIS w LEG BONES w SHOULDER w ARM BONES w JOINTS

7. MUSCULAR SYSTEM w SKELETAL MUSCLES w SMOOTH MUSCLES w CARDIAC MUSCLE

8. SKIN w SWEAT GLANDS w TWO LAYERS EPIDERMIS- OUTER LAYER DERMIS- INNER LAYER