Answer:
This is achieved because the sodium channels have a refractory period following activation, during which they cannot open again. This ensures that the action potential is propagated in a specific direction along the axon.
Represent acute symptoms that need curing
The distributive property of multiplication over addition is applied when you multiply a value by a sum. For example, you want to multiply 5 by the sum of 10 + 3. As we have like terms, we usually first add the numbers and then multiply by 5. 5(10 + 3) = 5(13) = 65
Answer:
– Natural exposure to infectious agent stimulates your own B cells to produce antigen-specific antibodies – Artificial immunization (vaccination) with key antigens or epitopes from an infectious agent does the same thing – Active immunization results in immunologic memory (more vigorous response next time)
Explanation:
