Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which B vitamin deficiency commonly causes the disease beriberi affecting the nervous and cardiovascular systems?
Which vitamin acts as an antioxidant protecting cells from damage and is found in nuts and seeds?
Which vitamin is essential for proper blood clotting and is often associated with green leafy vegetables?
Which white blood cell type is the most abundant and primarily fights bacterial infections?
Which white blood cell type is primarily responsible for producing antibodies against pathogens?
Which fluid in the lymphatic system helps transport white blood cells and remove waste from tissues?
Which fluid lubricates joints and reduces friction between bones during movement?
Which fluid cushions and protects the brain and spinal cord from mechanical shock?
Which protective membranes cover and protect the brain and spinal cord?
Which membrane surrounds the heart and protects it within the chest cavity?
Which membrane surrounds the lungs and reduces friction during breathing movements?
Which gas exchange membrane structure in the lungs maximizes surface area for efficient breathing?
Which soft tissue found inside bones is responsible for producing new blood cells?
Which flexible connective tissue cushions joints and is found in structures like the ear and nose?
Which chamber of the heart pumps oxygenated blood out to the rest of the body?
Which chamber of the heart receives deoxygenated blood from the body before sending it to the lungs?
Which tiny blood vessels allow the exchange of oxygen nutrients and waste between blood and body tissues?
Which blood vessels carry deoxygenated blood back to the heart from body tissues?
Which blood vessels carry oxygenated blood away from the heart to the rest of the body?
Which structure in the heart prevents the backward flow of blood between chambers?