Yes it can. A shark can smell your blood if you are bleeding. It can also smell your unrine and Band-Aids on you.
the smell of blood or their scent
All humans have a scent.
pirates smell the blood from humans miles away and that is why they killl people they also always smell the scent of the Caribbean
Sharks smell very well. As a shark swims, water flows in and out of its nose. If the shark picks up the scent of blood it makes a beeline for it, sniffing hard to stay on course.
Water molecules are carried to the shark by water currents. If there are no water currents then it's molecular diffusion... - See more at: http://www.chacha.com/question/how-do-sharks-'smell'-blood-underwater#sthash.eHVYYyJ6.dpuf
About 60-70% of a shark's brain is dedicated to processing scent information. Sharks have a keen sense of smell that helps them detect prey, navigate their environment, and find mates.
Scent and smell are synonyms.
Pigs have a better sense of smell than humans because of an increased number of scent receptors in their nose. This allows them to detect a larger number of smells and from greater distances.
Pigs have a better sense of smell than humans because of an increased number of scent receptors in their nose. This allows them to detect a larger number of smells and from greater distances.
When you are smelling a different smell then what you smell, the food tastes a litle different but you can still tell what it is. It tastes like what you are smelling. Humans can smell many things, but unlike some animals we cannot smell the scent of another animal because our noses aren't that sensitive. But we can smell genereal smells such as food, dirt, gas, mould.
Europa, one of Jupiter's moons, is an icy world with a thin atmosphere dominated by oxygen. Since there is no known way for humans to physically smell Europa, its aroma remains a mystery. The spacecraft that have flown by Europa cannot detect its scent either.
Yes they do, they give out a smell that keeps spiders away, humans don't recognise the scent though