The answers could be vasodilation and vasoconstriction (respectively) if that’s what u are studying.
Liver
In pediatric patients, the liver and spleen are very large in
proportion to the size of the abdominal cavity and are more easily injured. The
soft, flexible ribs of infants and young children do not protect these two
organs very well and may allow injury to underlying organs, even without fracturing
the ribs.
Answer:
Control environment is the most important procedures for getting good results.
Explanation:
The control environment for an experiment is the essential part for getting good results. In control environment, there is no or less chances of infestation from the external environment which can cause the results of the data more acceptable. So the scientists prefers laboratory for performing experiment as compared to outer environment. So in my opinion for getting better results, the control environment is the most necessary experimental procedure.
Yes, for getting better results I think there is a step that could have been added to the procedure is to follow the international standard procedures for taking the readings by the experimenter.