The immune system is the body's last and most complicated line of defence.
Answer: A
Explanation: A heart attack is normally caused by a build up of plaque in the arteries not by an electrical malfunction
"<span>The digestive juices in your stomach break down the food into a thick liquid called chyme which then is passed into the small intestine."
</span>Chyme is the result of the partial chemical and mechanical digestion that occurs over the bolus in the stomach. It is a <span>semi-fluid mass of p</span><span>artially digested food, digestive enzymes, water, and HCl (so it has a very low pH). By stomach movements, the chyme is pushed against the </span>pyloric valve and passes in very small quantities to the duodenum, which is the beginning of the small intestine.
Answer:
The obesity may be defined as the deposition of the excessive fat layer on the specific body parts. Obesity occurs due to the increase in the body weight and increases the risk of heart related disease.
As the information given in the question, the university must ask the researcher about the collaboration of the research at the research site in the abroad. The survey must include the individual from the different states and countries. All these surveys must be complied at the different research site present in abroad.
I would say it's the answer with nitrogen oxides and volatile organic compounds