Triglycerides, from what I remember.
Answer:
I thiink that what you're talking about is a projector
Science is the study of the natural and physical world using a tactful way of denomination called the scientific method.
answer is antibodies.
B cells are a type of lymphocytes and it is responsible for the immune system. B cells help to protect body by producing specific antibodies to fight against each antigen which are strangers to the body specially for viral infections.