<span>Parathyroid Hormone (PTH) is a hormone that signals an increase in blood calcium (Ca2+) within into the bloodstream when below normal ranges. When blood calcium is within normal ranges Calcitonin is released from the thyroid to stop blood calcium from increasing thus maintaining equilibrium.</span>
Monocots have only one seed leaf inside the seed coat. It is often only a thin leaf, because the endosperm to feed the new plant is not inside the seed leaf. Dicots have two seed leaves inside theseed coat. They are usually rounded and fat, because they contain the endosperm to feed the embryo plant. [Credit to: Monocots and Dicots - The seed site]
Answer: Adrenal gland
Explanation: It is an automatic response known as the 'Fight or Flight response, that is stimulated by our adrenal gland that is in our endocrine system produces adrealine.
These glands are located above the kidneys, and they secrete adrelaine when a person is angry or afraid. As in this situation, you see that the person is most likely to be afraid.
Adrelaine causes increase in heartbeat and blood pressure, and produces other substances for instant energy. This is when the situation, as mentioned before, 'Flight or fight situation' comes in hand, which is, it prepares the person to run away, or to fight from a dangerous situation.
<em>Hey, this is Venom, and I think that this is most likely the answer. Hope it helps you. </em>
Lipids don't dissolve in water because of the different polarities. Water is polar and lipids are not polar which is why they don't dissolve. What this means is that they don't bond and don't share electrons and therefore don't mix.
The acid is H2Se, the base is H2O, the conjugate acid is H3O+, the conjugate base is SeH–.
The reaction equation is as follows;
H2Se + H2O → SeH– + H3O+
The acid is the specie that donates a proton while the base is the specie that <em>accepts</em> the proton.
The specie formed from the acid after it donates a proton is called the conjugate base while the specie formed from the base after accepting a proton from the acid is called the conjugate acid.
From the reaction equation, we can see that the acid is H2Se, the base is H2O. The conjugate acid is H3O+ while the conjugate base is SeH– .
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