Blood vessels such as arteries and veins have connective tissue and certain types of smooth muscle cells. The endothelium is what lines most blood vessels. The basal lamina is usually the outermost layer. Vascular smooth muscles are what we usually call the muscles in the lining of blood cells.
I hope this helps!
~kaikers
If waste i<span>s not removed from the body, its own blood can become poisonous.</span>
Answer:
has no money and have no place to go. i think
Explanation:
The correct answer is 3. No, this does not need to be reported because it is unrelated to participation in the study.
Explanation:
The Department of Health and Human Services (HHS) in the U.S. aims at preventing and protecting the health of U.S. citizens, including participants of research studies. In these cases, the HHS provides regulations and guidelines on how to carry research without risking participants' health and well-being. Besides this, it establishes health issues during the research should be reported to the IRB or Institutional Review Board that checks conditions in research are ethical and safe.
In the case presented, it is not necessary to report this event because the heart attack is not related to the participation of the individual as the researcher was only studying the attitudes of participants towards hygiene and disease prevention, and it is highly unlikely this has caused a heart attack. This is supported by the HHS that establishes unexpected incidents during the research should be reported only if they are possibly related or in the cases, there are many possibilities the research caused the incident.
