Do red blood cells take oxygen from the lungs and deliver it to the rest of the body? ? ! i need this asap! true of false! im

In a cladogram' when does a group of organisms branch off

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Resperation is a way to release carbon back into the atmosphere