When we sleeps blood pressure_____________? October 31, 2018 by Saleem Sono When we sleeps blood pressure_____________? A. Increases B. Decreases C. Remain constant D. None of these Related Mcqs:Arterial blood contains _________ of CO2 per 100 ml of bloodRed Blood Cell have lifespan of ?Human blood is an example of__________?The lifespan of Red Blood Cells is __________ days?The blood enters the ________________ side of heart ?The lifespan of White Blood Cells is __________ day(s)?The average adult has a blood volume of about…