Cardiovascular System Flashcards
What are the 5 thoracic boundaries?
-Dorsal
-Ventral
-Lateral
-Caudal
-Cranial
What does the Dorsal Boundary contain?
-Vertebral bodies
What does the Ventral Boundary contain?
-Sternum
What does the Caudal Boundary contain?
-Diaphragm
What does the Lateral Boundary contain?
-Thoracic Wall
What does the Cranial Boundary contain?
-Thoracic Inlet
What are the three body cavities?
-Thoracic
-Abdominal
-Pelvic
What are the three Serous Membrane cavities?
- Parietal
- Visceral
- Connecting
What does the Parietal cavity cover?
- walls
What does the Visceral cavity cover?
- internal organs
What does the Connecting cavity cover?
- everything between P&V cavities
What is the Pleura?
- double layered serous membrane
- lung lining
What is the outer layer of the Pleura?
- Parietal pleura ; along ribs, attaches to the chest wall, middle
What is the inner layer of the Pleura?
- Visceral Pleura; covers lungs, blood vessels, nerves, and bronchi
What is the Mediastinum?
- space between lungs
What is the Heart used as?
- a pump to push blood flow through the body
- to pump the cardiac muscle
What are the 5 components of blood?
-oxygen
-nugrients
-cells (rbc)(wbc)
-antibodies
-waste product
What is the hearts cage and surrounding pillow?
-Ribs(cage)
-Lungs(pillow)
What is the serous sac?
-small space between the Visceral and Parietal layers of the Serous Membrane
What is serous fluid?
- acts as a lubricant that allows organs to expand & contract without fiction
What are the two Pericardium layers?
-Serous and Fibrous Pericardium