The right answer is B active immunity.
For information, there is no complete immunity and incomplete immunity in immunology.
Active immunity is a form of immunity that protects the body through the production of antibodies when exposed to a first infection or vaccination.
This type of immunity is persistent. Example of measles: previously safe measles viruses are applied during vaccination.
A
Because the cells and somethings forms into something new
Answer:
True
Explanation:
Cytokines are proteinaceous substances that are secreted by specific immune system cells. These belong to a category of signaling molecules that are helpful in communication between the cells of immune system and thus help to mediate and regulate immunity, inflammation and hematopoiesis. Cytokines have ability to act on three types of cells -
- The cell that secretes them
- The nearby cells
- The distant cells
These molecules bind to the receptors present on the responsive target cell and evoke a particular biological activity.
The frog ringer solution is a solution of several salts which are dissolved in water in order to create an isotonic solution relative to the body fluid of an animal. The frog ringer solution that is used to bathe nerves must contain calcium in order to maintain the natural environment of the nerves. In the body the nerves are continuously exposed to different level of calcium ion and this must be taken into consideration during the preparation of specimen.<span />
I'd say D cause ice is kinda more likely to do the job