High blood pressure also leads to thickening of the blood vessel walls. When combined with cholesterol deposits in the blood vessels, the risk of heart attack and stroke increases. Hypertensive heart disease is the leading cause of illness and death from high blood pressure.
This is substance is Adrenaline. Adrenaline makes your body go into overdrive. Adrenaline also powers your body's flight-or-fight response.
Hope it helps :)
Answer:
I think the answer would be the first one
<h2>This Teddy Bear</h2>
<em><u>An unidentified flying object (UFO) is any aerial phenomenon that cannot immediately be identified or explained. Most UFOs are identified on investigation as conventional objects or phenomena. The term is widely used for claimed observations of extraterrestrial spacecraft.</u></em>