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Circulatory Quiz 1
Circulatory system to the heart wall
Question | Answer |
---|---|
What are the 5 functions of the circulatory system? | Transportation, Maintain water content, Maintain constant body temperature, protection against disease, maintain constant pH |
What are 4 things the circulatory system transports? | Nutrients, respiratory gases, metabolic wastes, hormones |
What are the 2 basic principles about the heart? | 1. The heart is an intermittent pump2. The heart is divided into 2 pumps |
What are the 2 pumps that the heart is divided into called and what is there function? | 1. Left side (systemic pump) - pumps oxygenated blood throughout body2. Right Side (Pulmonary pump) - pumps deoxygenated blood to lungs |
What is the location of the heart? | Anchored on the midline within the mediastinum |
What is the membrane surrounding the heart? | Pericardium |
What is the outer layer of the pericardium called, what does it consist of, and what is its function? | Fibrous pericardium; tough inelastic dense irregular C.T.; anchors heart, protects, prevents overextension of heart |
What is the inner layer of the pericardium, its 2 components, and the cavity it contains? | Serous pericardium; thin delicate double membrane (parietal pericardium - fused to fibrous pericardium) (visceral pericardium - "Epicardium" outer layer of heart); Pericardial cavity - fluid filled space between parietal and visceral pericardium |