True. The Esophagus is the alimentary canal of the human body in which digestion does not occur. The alimentary canal is the where the food travels that starts from the mouth unto the anus. When the food enters the mouth, digestion already starts. Food only travels in the esophagus to the stomach.
The answer is all of the above! I hope this helps you out and have a blessed day!
Answer: True
HIV infects a type of white blood cell in the body's immune system called a T-helper cell (also called a CD4 cell). These vital cells keep us healthy by fighting off infections and diseases. HIV cannot reproduce on its own. Instead, the virus attaches itself to a T-helper cell and fuses with it (joins together).
Explanation:
T-cells, the thymus cells, work in a similar way but destroy infected cells rather than manufacture antibodies. In HIV infection, the body mounts a very strong antibody response in the first few weeks that partially works, bringing the viral load down from millions to, on average, about 50,000 copies/ml.
Answer:
A it is made possible by heat and pressure
Answer:
C
Explanation:
Hi, the answer is C, because nucleotides and acids form DNA and RNA, which store genetic information. Hope this helps!
