Dopamine is a chemical that serves as a neurotransmitter that governs the transmission of signal between the neurons (brain cells) through binding to the receptors. This is also referred to "reward hormone" because this is excreted during activities that causes too much excitement or satisfaction.
The severe reduction in this hormone is linked primarily to disease that results from the dissociation of the breakdown of this hormone. This causes muscular paralysis, tremor, slow movement. Further this causes difficulty in movement initiation. This disease described above is the Parkinson's Disease.
Answer:
an element is a pure substance which can not be spilt into simpler substances by chemical means
Explanation:
examples hydrogen, oxygen, copper
The sentence which should come next in the paragraph to maintain the compare contrast structure is, Gerbils have long furry tails, while hamsters do not have tails.
Answer: Option C
<u>Explanation:</u>
Compare and contrast text structure is basically a type of structure where two things are compared and contrasted at the same time. In simple terms, comparison is finding the similarities whereas contrast means finding the differences.
When it comes to Gerbils and hamsters, both these organism have many similarities. The only difference is in their tail. Gerbils have a very long and furry tail, hamsters on the other hand have a very short tail. Their tails are so short that one often find it difficult to notice its tail.
Bones
produce blood cells. The red bone
marrow found in the connective tissue of certain bones is the site of blood
cell production. The correct answer between all the choices given
is the second choice or letter B. I am hoping that this answer has satisfied
your query and it will be able to help you in your endeavor, and if you would
like, feel free to ask another question.