Answer:
Explanation:
Do you have answer choices??
Medical Definition of Vaccination. Vaccination: Injection of a killed microbe in order to stimulate the immune system against the microbe, thereby preventing disease. ... To immunize against viral diseases, the virus used in the vaccine has been weakened or killed.
Answer:
The correct answer is option B
B. reverberating circuit
Explanation:
Reverberating circuit: for reactivating of nerve impulses and retrieval of information.
Medulla oblongata is the part of the brain that controls heart rate and blood pressure
