If a test tube has been used, and its contents is supposed to be disposed, carefully pour the contents to the lavatory with a confirmation of a professional (as it may damage the pipelines of the sink) and ensure that there are no splashes created that can contact the human skin. Wash the test tube thoroughly and let dry.
Systolic pressure is when the ventricles contract.
Answer:
You can determine something is living by classifying it if it has the seven characteristic of life
