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THE HUMAN BODY. CHAPTER 3. THE RESPIRATORY SYSTEM. NOSE- warms & filters air PHARYNX AND TRACHEA- normal swallowing controls don’t operate when unconcious LUNGS BREATHING. CIRCULATORY SYSTEM. HEART VEINS & ARTERIES BLOOD BLOOD PRESSURE. NERVOUS SYSTEM.
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THE HUMAN BODY CHAPTER 3
THE RESPIRATORY SYSTEM • NOSE- warms & filters air • PHARYNX AND TRACHEA- normal swallowing controls don’t operate when unconcious • LUNGS • BREATHING
CIRCULATORY SYSTEM • HEART • VEINS & ARTERIES • BLOOD • BLOOD PRESSURE
NERVOUS SYSTEM • CENTRAL NEVOUS SYSTEM- brain and spinal cord • AUTONOMIC NERVOUS SYSTEM- nerves that control the HR, Digestion, Sweating etc.
SKELETAL SYSTEM • SKULL • SPINAL COLUMN • THORAX • PELVIS • LEG BONES • SHOULDER • ARM BONES • JOINTS
MUSCULAR SYSTEM • SKELETAL MUSCLES • SMOOTH MUSCLES • CARDIAC MUSCLE
SKIN • SWEAT GLANDS • TWO LAYERS • EPIDERMIS- OUTER LAYER • DERMIS- INNER LAYER