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.

Who was the first person to win two Nobel Prizes?

Marie Curie was the first person to win two Nobel Prizes, and is one of only two people in the history of the Nobels to win in two different fields. She and her husband Pierre, along with Henri Becquerel, won the Physics Prize in 1903 for their discovery of radioactivity.

How many countries have a mcdonalds?

McDonald’s Corp. is the world’s largest restaurant chain, with 34,480 restaurants in 119 countries. The burger chain has famously gone where few fast-food chains have gone before as a symbol—for better or worse – of capitalism.

How many jockeys die each year on average?

Between 2 and 3 jockeys are killed each year in horse racing.

Who were the group of people who wrote the Dead Sea Scrolls

Throughout scholarship multiple theories have been posited in an attempt to identify the group at Qumran (yahad). To date, the most widely accepted theory among scholars is the Essene hypothesis; that the community at Qumran associated with the scrolls can be best identified as the Essenes. Evidence for this notion primarily stems from accounts by Josephus, Philo of Alexandria, and Pliny the Elder. Though many scholars have suggested alternative identifications for the yahad, the Essene hypothesis remains the dominant theory in the field.

Why does water bubble when it boils?

The solubility of gases decreases when the temperature is raised, and that why the dissolved air bubbles out from the water. Then, as the boiling point of water is reached (100 degrees Celsius or 212 degrees Fahrenheit), water vapor starts to form inside the liquid in the form of bubbles.

How many time zones are there in Alaska?

Alaska’s four time zones have become two. More than 98 percent of the state’s population is in one of these zones, now called Yukon time, which is one hour earlier than Pacific standard time and four hours earlier than Eastern standard time.

Do all fish need oxygen?

Fish need oxygen too, but since they don t have lungs, they take oxygen from the water in which they live. The oxygen in the water available to fish is called dissolved oxygen (oxygen that is dissolved in the water). Fish use gills to take oxygen from water just as we use our lungs to take oxygen from the air.