| Answers | Question |
| Location of the Heart ? | The Heart is situated within the MEDIASTINUM, a mass of Tissue, which is located inside the Thoracic Cavity, between the Lungs. |
| Shape of the Heart ? | The Heart is a hollow, cone - shaped Muscular Organ, it hangs upside down, Base at the top, Apex at the bottom. |
| Heart size ? | In an average adult it is the size of the owners clenched fist. But generally the bigger you are the your Heart. |
| Cardiac Axis ? | Is the 60' degree angle that the Heart points down, Generaly points to the Left Nipple. |
| The Heart is ? | A Double sided Double action PUMP. |
| How many layers does the Heart have ? | 3 |
| Name the 3 Layers of the Heart ? | Pericardium (outer layer), Myocardium (middle layer) & Endocardium (inner layer, very smooth, in all the blood vessels) |
| Right side of the Heart deals with ? | De-Oxygenated blood, fed by the Vena Cava |
| Left side of the Heart deals with ? | Oxygenated Blood. |
| How many Layers to the Pericardium ? | 2 Visceral - Inner / Parietal - Outer with Serous Fluid inbetween. |
| Pericarditus ? | The Pericardium is a potential space, if punctured Serous fluid can drain out, causing irritation, pain & Infection. |
| Pericardium ? | A double layered sac containing the Heart, the origins of the superior & inferior Vena Cavae & the Pulmonary Artery. |
| Pericardium, the 2 layers are ? | Epicardium / Inner Visceral layer 7 the Pericardium / outer parietal layer. |
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Biology Lab Midterm
