when you are under physical stress, what hormone is released quickly to stimulate an increase in blood glucose concentration?

Epinephrine  
Otherwise called adrenalin or adrenaline, is a hormone, neurotransmitter.Epinephrine is typically delivered by both the adrenal organs and certain neurons. It assumes an essential part in the battle or-flight reaction by expanding blood stream to muscles, yield of the heart, understudy enlargement, and blood sugar.It does this by official to alpha and beta receptors. It is found in numerous creatures on the planet.

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.