What does a sensory nerve do?

What does a sensory nerve do?

Sensory neuron. Sensory neurons are nerve cells within the nervous system responsible for converting external stimuli from the organism’s environment into internal electrical impulses. For example, some sensory neurons respond to tactile stimuli and can activate motor neurons in order to achieve muscle contraction.

Are polar bears left handed?

Scientists observing the animals haven’t noticed a preference. In fact, polar bears seem to use their right and left paws equally. Use of tools. Polar bears do not use tools, including blocks of ice, to kill their prey.

Where did the word cookies come from?

The word “cookie” comes from the Dutch “koekjes” which came from the Dutch “koek”, meaning “cake”; cookie was introduced to English in the very early 18th century. It is thought this term caught on more in the United States due to the strong Dutch heritage in early America.

What country consumes the most chocolate?

A new study in The New England Journal of Medicine shows that a country’s chocolate consumption correlates strongly with the number of Nobel Prizes its citizens win. According to the author’s calculations, Switzerland consumes the most chocolate and ranks second behind Sweden in laureates per capita.

How much does an ATM weigh?

The weight of an ATM machine is typically 150 – 250 pounds or more (depending on the model).

How long does a dollar bill last?

That depends on the denomination of the note. A $1 bill lasts 18 months; $5 bill, two years; $10 bill, three years; $20 bill, four years; and $50 and $100 bills, nine years. Bills that get worn out from everyday use are taken out of circulation and replaced.

How many bees does it take to make a tablespoon of honey?

A hive of bees must fly 55,000 miles to produce a pound of honey. One bee colony can produce 60 to 100 pounds of honey per year. An average worker bee makes only about 1/12 teaspoon of honey in its lifetime.

Do carrots help your eyesight?

For example, a diet of carrots won’t give a blind person 20/20 vision. But the vitamins found in the vegetable can help promote overall eye health. Carrots contain beta-carotene, a substance that the body converts to vitamin A, an important nutrient for eye health.