The human immune system consists of
A) about 10,000 cells that increase rapidly to trillions when an infection takes hold.
B) the heart and blood vessels and the blood cells within the vessels.
C) about 2 trillion cells, their secretions, and the organs where they are produced and stored.
D) all of the bacteria and viruses that are normally present in our bodies plus our blood cells.
E) the thyroid and thymus glands and their cells and secretions.
Correct Answer:
Verified
Q1: The human leukocyte antigen genes are on
Q2: MHC genes account for about _ percent
Q3: The three basic characteristics of adaptive immunity
Q4: Plasma cells
A) secrete antibodies.
B) are types of
Q5: Which type of white blood cell secretes
Q7: The genes of the HLA system encode
Q8: An antigen is
A) any molecule that can
Q9: The simplest unit of an antibody consists
Q10: People do not develop a secondary immune
Q11: _ bonds hold together the polypeptide chains
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents