Answer:
D) four.
Explanation:
The two atria hold the blood that circulates away from the heart. The heart has four one-way valves, which open and close with each heartbeat. The tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles. Also you don't have to but mind marking Brainliest?
Answer:
wanting to become a chef
Explanation:
That is his goal, he working towards it.
<span>USA: Osteoporosis and low bone mass are currently estimated to be a major public health threat for almost 44 million U.S. women and men aged 50 and older. I hope this is correct.</span>
When did you post this i have been trying to find the dates these questions have been asked
Without life-sustaining dialysis or a kidney transplant, once a person with kidney disease reaches stage 5 (end stage renal disease or ESRD), toxins build up in the body and death usually comes within a few weeks.
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