Answer:there always living
Explanation:
The materials and equipment needed and procedures to follow in an experiment is termed as experiment protocol. It <span> is a predefined written procedural method in the design and implementation of </span>experiments<span>. Hope this answers the question. Have a nice day.</span>
Universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.
Futile resistance is the immunity system and HIV infections. HIV infection results in immunodeficiency because it acts as infects helper of T cells and its reception is CD4. Again immunodeficiency is a helper of T cells which are destroyed and the host can’t develop an immune response.
We have primary immunodeficiency which is a developmental and genetic defect in immunity. Secondary immunodeficiency results from damage to immune cells after developing normally. For example cancer, leukaemia and HIV. Effect of immunodeficiency appears sick all the time.
Answer:The Central Nervous System sends signals to the rest of the body and activates external and internal stimuli.
Explanation:The CNS is made up of the brain and spinal chord which send signals to the body. In addition, it controls simple musculoskeletal reflexes.
