If a red blood cell is traced through the heart then the blood cell will simply move onward in to veins closest to the heart.
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Answer:
The best answer to the question: The focus of this study is MOST accurately defined as:___, would be: Insomnia.
Explanation:
This scientist wishes to investigate the effects of failure of sleep on athletic performance. However, the characteristics of the people he is seeking to form part of his research sample group are very unique in that all of them have had loss of sleep, be it complete, or partial, but it does not matter the reasons as to why these people were unable to sleep. So, most likely what this researcher is looking for is simply to define the effects of insomnia, which is simply defined as the inability of a person to get enough sleep, regardless of causation.
Nicotine is With the advent of nicotine replacement therapy, the consumption of the nicotine is on the rise. Nicotine is considered to be a safer alternative of tobacco. The IARC monograph has not included nicotine as a carcinogen. However there are various studies which show otherwise. We undertook this review to specifically evaluate the effects of nicotine on the various organ systems. A computer aided search of the Medline and PubMed database was done using a combination of the keywords. All the animal and human studies investigating only the role of nicotine were included. Nicotine poses several health hazards. There is an increased risk of cardiovascular, respiratory, gastrointestinal disorders. There is decreased immune response and it also poses ill impacts on the reproductive health. It affects the cell proliferation, oxidative stress, apoptosis, DNA mutation by various mechanisms which leads to cancer. It also affects the tumor proliferation and metastasis and causes resistance to chemo and radio therapeutic agents. The use of nicotine needs regulation. The sale of nicotine should be under supervision of trained medical personnel.
I think the correct answer is false. <span>Your mood is not improved when you have extra stress hormones in the blood instead it worsens your mood. These extra hormones will let you feel stress more. Because from their name itself they are stress hormones.</span>
