The correct answer is option B, that is, the sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.
Both the parasympathetic and sympathetic nervous system are the components of the autonomic nervous system that works obligatorily. The sympathetic nervous system holds the key in controlling the body at the time of stress and injury, it is generally regarded as fight or flight. It contracts the muscles of the heart in order to enhance the rate of the heart.
On the other hand, the parasympathetic nervous system is responsible to monitor the function of the body when it is at rest. It assists in sustaining the homeostasis in the body. It relaxes the muscles of the heart in order to reduce the rate of the heart.
<span>Antibody-mediated (humoral) immunity is regulated by B cells. Antibodies produced by the B cells will protect the host from invading viruses and bacteria. Protective function of this type of immunization is found in host blood.
Cell-mediated immunity is regulated by activation of macrophages, natural killer cells (NK), antigen-specific cytotoxic T-lymphocyte. This type of immunity destroys pathogen (virus, bacteria, fungi, parasite) infected cells in the host body.</span>
<span>C. less energy than X-rays and gamma rays.
Hope this helps!
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The second one should be the answer not 100% but like 85% sure
