Reading: Fill in the Blanks — practice #rfib-007

The human sense of smell is far more powerful than most people realise. Tiny molecules drifting in the air bind to drop here inside the nose, which send signals straight to the brain. Because this pathway connects directly to memory centres, a single scent can drop here vivid recollections from childhood. Smell also plays a quiet but crucial role in drop here spoiled food and detecting danger. Losing this sense, doctors note, can seriously drop here a person's enjoyment of eating.