Which macronutrient is essential for building and repairing body tissues such as muscles?

Which everyday device uses the principle of capillary action to function?

Which common preventive health practice helps reduce the transmission of airborne respiratory infections?

Which white blood cell type is primarily responsible for producing antibodies against pathogens?

Which type of teeth are primarily used for tearing food in humans?

Which everyday device measures body temperature by detecting the infrared radiation emitted from the ear canal or forehead?

Which cell organelle is often referred to as the powerhouse of the cell due to its role in energy production?

Which everyday process explains how noise-cancelling headphones work?

Which everyday process is used when a doctor listens to heartbeats through a stethoscope?

Which device measures atmospheric pressure and is commonly used for weather forecasting?

Which gas is most abundant in the Earth's atmosphere?