If there were no patterns in nature everything would be complicated. Atoms and all the little things would be different meaning our body structures would be different and the plants would be different too.
The nurse should tell the patient that she will help her to get warm blankets in order for the chill to go away. Feeling of chills after giving birth is a common experience and it happens as a result of vasomotor reactions that occur during birth. Covering the patient with blanket will remove this discomfort.
Homeostasis is maintained by negative feedback loops within the organism. In contrast, positive feedback loops push the organism further out of homeostasis, but may be necessary for life to occur. Homeostasis is controlled by the nervous and endocrine systems in mammals.
Cell Wall and the purpose is to protect the cell.
Hope this helps:)