Answer:
its option A. bright tail feathers of peacocks during breeding season
Explanation:
True - The Big Bang Theory is the most popular THEORY out their. Meaning it is NOT a fact
The answer is She is moving to the traffic light, but she is not moving relative to the bus driver.
Hope I helped
Answer:
Measuring heart rate and noting blood pressure is the answer.
Explanation:
Answer:
Innate immunity is a non-specific immune system which provides defence against any pathogenic microorganism in early stages. It includes physical barrier such as skin, chemical barriers such as saliva, tears, et cetera, phagocytic cells such as macrophages, et cetera.
Acquired immune system is the one which develops after exposure to pathogen or antigen. It is highly specific in nature. It includes B-lymphocytes and T-lymphocytes. It includes the production of antibodies.
Vaccines are used to develop acquired immunity in people. The process is termed as vaccination or immunisation. Heat-killed or weakened pathogen or antigen is inserted into a person after which a person develops antibodies and memory cells against that pathogen or disease. So, the immune system acts more vigorously against that pathogen in secondary infection.
Thus, a person becomes immunised.