Body Systems

Body Systems

1. Respiratory

   • Used to get oxygen into the body
   • Key Parts
     • Nose
     • Mouth
     • Trachea
     • Bronchi
     • Alveoli

2. Heart/Circulatory

   • Used to send oxygenated/deoxygenated blood around the body
   • Key Parts
     • Arteries
     • Veins
       • Left/Right Pulmonary veins
     • Heart
       • Superior Vena Cava
       • Inferior Vena Cava

3. Skeletal

   • Supports/protects the Body
   • What your bones are attached to
   • Key Parts
     • Flat Bones
     • Long Bones
     • Irregular Bones
     • Ligaments
     • Tendons

4. Muscular

   • Allows movement by a combination of contractions of muscles
   • Key Parts
     • Skeletal Muscles
       • Attaches to bones via tendons
     • Smooth Muscles
       • Involuntary movement of organs
     • Cardiac Muscles
       • Muscles that pump blood around the body

5. Lymphatic/Immune

6. Endocrine

   • Produces, stores, and secretes hormones
   • Key Parts
     • Pineal Gland
     • Thymus
     • Thyroid Gland
     • Parathyroid Gland
     • Adrenal Gland
     • Adrenal Medulla
     • Adrenal Cortex
     • Pancreas
     • Gonads
     • Ovaries
     • Testes

7. Sensory

   • To monitor external environment and give the brain feedback
   • Key Parts
     • Eyes (sight)
     • Ears (sound)
     • Olfactory Organ (smell)
     • Taste Buds (taste)

8. Digestive

   • Absorbs nutrients/water and excretes waste
   • Key Parts
     • Mouth
       • Teeth
     • Esophagus
     • Stomach
     • Large/Small Intestine
       • Mucosa (Liines digestive tract)
     • Pancreas

9. Urinary

   • Eliminates waste and toxins from the body
   • Key Parts
     • Kidneys
     • Urterers
     • Bladder
     • Sphincter Muscles
     • Urethra

10. Integumentary (skin)

    • Maintainns body temperature, protects internal organs, gets rid of waste, protects from disease, and retains bodily fluids
    • Key Pats
      • Epidermis
        • Made of epithelial cells
      • Dermis
        • Made of blood essels, nerves, connective tissues, lymph vessels, sweat glands, and hair shafts
      • Sub Epidermis
        • Made of areolar connective tissue, and adipose tissue