Something that causes a response in a body part or organism. A stimulus may be internal or external. Sense organs, such as the ear, and sensory receptors, such as those in the skin, are sensitive to external stimuli such as sound and touch.
Just curious...given my insurance plan I can get a new pair of frames and lenses once every 2 years, but I realllly love glasses so I tend to purchase about 2 pair per year...Gotta have my style...oh and of course the added benefit of sight is a nice plus:)
Eight glasses a day? We've been told we need to drink at least eight glasses of water a day, but Taylor says there's no scientific evidence to support this. Health professionals agree men's bodies need around 2.6 litres and women's around 2.1 litres of water a day (pretty much eight glasses a day).But it turns out you get some of this from other drinks and food, Taylor says. Approximately four glasses of water, or a litre a day, is obtained from the food that we eat.ight glasses a day? We've been told we need to drink at least eight glasses of water a day, but Taylor says there's no scientific evidence to support this. Health professionals agree men's bodies need around 2.6 litres and women's around 2.1 litres of water a day (pretty much eight glasses a day).