Answer: B is the antibodies which means (in the blood plasma) so therefore B is your answer
A set <span>is a group of consecutive repetitions.</span>
Answer:
See explanation
Explanation:
The tympanic membrane or eardrum serves as a divider between the outer ear and the middle ear structures. It is gray-pink in color when healthy and consists of three very thin layers of living tissue. The eardrum is very sensitive to sound waves and vibrates back and forth as the sound waves strike it.
The 3rd one, the one that begins with knowledge