What punctuation mark can be found in the body?
the stomach
the colon
the explanation point

1. beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. for each time point in the cycle you select, state the following: • whether the atria and ventricles are contracting or relaxing • whether the av valves and semilunar valves are closed or open • whether the pressure in the atria and ventricles is high or low

What properties of a substance determine how that substance will react when combined with other substances?

Abotanist scrapes pollen off a flower