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Nervous System (Heart (Layers of the Heart Wall (Fibrous Pericardium…

- - - - Outer most layer
    - - Parietal
        
        Lays deep to the fibrous pericardium
      - Visceral (epicardium)
        
        Lays deep to the parietal layer
  - - - Composed of DICT
      - Located from the diaphragm to the roots of the large vessels
      - Function to keep heart in place
    - - Vicseral
        
        Layer that is on the organ
      - Parietal
        
        Outer layer
      - Pericardial Cavity
        
        Between the parietal and vicseral layers
        
        Filled with serous fluid with is slippery and lubricating
    - - Cardiac Muscle
    - - Lines the heart walls and covers valves
      - Composed of simple squamous epithelial and areolar CT
  - - - Fascia Adhesion
        
        Desmosome like structure
      - Gap Junctions
        
        To send electrical impulses
  - - - Left Atrioventricular Valve
        
        Empties blood from the atrium to the ventricle
      - Aortic Semilunar Valve
        
        Empties blood from the ventricle to the aorta
    - - Right Atrioventricular Valve
        
        Empties blood from the atrium to the ventricle
      - Pulmonary Semilunar Valve
        
        Empties blood from the ventricle to the pulmonary trunk
  - - - Pace Maker
      - Unique muscle tissue that generates electrical signals
      - Sends electrical signal to AV node
      - Located in the right atrium
    - - Delays contraction while ventricles fill with blood
      - Sends electrical signal to AV Bundle, then into the Bundle Branches that travel down the interventricular septum and back up the myocardium walls to the purkinje fibers.
- - - - Sacs of Hemoglobin which aid in the transport of oxygen
      - Red Blood Cells
    - - A part of stopping bleeding and clot formation
      - Platelets
      - Works with the protein fibrinogen to form clots
    - - Neutrophil
      - Esoinophil
      - Basophil
      - Lymphocyte
      - Monocyte
      - Aid in a fight against pathogens:
      - White Blood Cells
  - - - Antibodies
      - Transport
    - - Helps keep water in the blood
    - - Aids in clot formation
- - - - Move large amounts of blood
      - Has large amount of elastic fibers in walls which helps strength and recoil to propel blood away
    - - Takes blood to organs and organ parts
      - Large amounts of muscle
    - - Smallest of the arteries
      - Leads into capillary beds
  - - - Has clepts
      - Most common
      - Least leaky
      - Located
        
        Lungs
        
        Skin
        
        Skeletal Muscle
        
        Smooth Muscle
    - - More Leaky = High rates of exchange
      - Has pores and clepts
      - Located
        
        Small Intestines
        
        Kidneys
        
        Choroid Plexus
        
        Endocrine Glands
    - - Has large pores, large clepts, and broken basement menbrane
      - Large and winding
      - Exchange things as large as whole cells and proteins
      - Located
        
        Red Bone Marrow
        
        Liver
        
        Spleen
  - - - Smallest of the veins
      - simular to cappillaries
    - - Location of valves