📚 Study Notes: Anatomy & Physiology
Major Body Systems & Key Functions
1. Circulatory System
o Transports oxygen, nutrients, and hormones
o Removes waste products
o Organs: Heart, blood vessels, blood
2. Respiratory System
o Delivers oxygen to blood, removes carbon dioxide
o Organs: Lungs, trachea, bronchi, diaphragm
3. Digestive System
o Breaks down food for nutrient absorption
o Organs: Stomach, small intestine, liver, pancreas
4. Nervous System
o Controls body activities via electrical signals
o Organs: Brain, spinal cord, nerves
5. Musculoskeletal System
o Provides structure and movement
o Organs: Bones, muscles, tendons, ligaments
Key Anatomy Terms
Homeostasis – body’s ability to maintain a stable internal environment
Anterior – front of the body
Posterior – back of the body