In the 1980s the world suddenly became aware of the importance of the immune system, why ?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Is there any solid scientific evidence that humans have been cloned?