False. The valve is open so that the blood can be pumped to the ventricles.
False.
false
true/false. the behavior of a gas in a closed container is affected by the number of gas particles (atoms), the size of the container, and the average kinetic (temperature).
False leg or a False Foot
False.
True. The Valsalva Maneuver involves expiring against a closed glottis and when combined with contracting muscles of the abdomen and ribcage creates rigidity in the entire torso.
No. Right atrium is collecting venous (low oxygen) blood from all over the body.
FALSE
yes
False.
True - de-oxygenated blood enters the right atrium from the body, and through the vena cava.
False
False
False
false
The whole numbers are not closed under division! The statement is false since, for example, 2/3 is not a whole number.
No.