B is the answer to the question
Answer:
Reduced levels of the neurotransmitters serotonin and norepinephrine may also contribute to the development of ADHD.
Explanation:
Answer:
Cell
Explanation:
In anatomy, the basic structural unit of the body is the cell. All living organisms have cells, which start as the zygote — the single cell at the beginning of life, after a spermatozoa fertilizes an oocyte. In humans, the body has more than 200 different cell types.
Answer:
true
Explanation:
this is because after the sleep the mind gets refreshed and for that reason it can absorb new informations.
Answer:
look at these two websites
Non-Living Infectious Agents - SPH - Boston Universitysphweb.bumc.bu.edu › otlt › MPH-Modules › PH709_InfectiousAgen...
May 4, 2016 - Criteria for Life. Scientists generally agree that there are four requisite characteristics of living organisms. They have one or more cells with DNA.
Are Viruses Alive? - Scientific Americanwww.scientificamerican.com
Explanation:
