Examlex
Which of the following is the correct electron dot structure for carbon (atomic no. = 6) ?
Serous Membrane
A thin layer of tissue that covers internal body cavities and secretes a fluid to reduce friction from muscle movement.
Pericardium
A double-layered sac surrounding the heart, providing protection and reducing friction during heart movements.
Deoxygenated Blood
Blood carrying a lower concentration of oxygen, typically returning to the heart and lungs for oxygenation.
Left Ventricle
The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out to the body through the aorta.
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