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What is the smallest formed element in the blood?
Thrombocytes are the smallest formed elements in the blood. In my Medical Terminology book, it says "The smallet formed elements found in blood are platelets. Although they are sometimes called thrombocytes, they are not true cells, as the term erroneously suggests, but merely fragments of cells."
Which formed element is the only true cell?
The only true cell among the formed elements of blood is the white blood cell (leukocyte). Red blood cells (erythrocytes) and platelets (thrombocytes) are not considered true cells because they lack a nucleus and other organelles.
Why should platelets not be called cells?
Platelets lack a nucleus and organelles found in true cells, making them not true cells. Instead, platelets are fragments of larger bone marrow cells known as megakaryocytes. They play a crucial role in blood clotting by forming clots at the site of injury.
The Medulla controls your involuntary actions true or false?
True. The medulla oblongata regulates vital involuntary functions such as heart rate, blood pressure, and respiration.
True or False the tricuspid valve is closed while the atrium is contracting?
False. The valve is open so that the blood can be pumped to the ventricles.
True or false thrombocytopenia is an abnormal decrease in the number of platelets?
true
True or false blood vessels that carry blood to the heart are called arteries?
False. Blood vessels that carry blood away from the heart are called arteries. Blood vessels that carry blood to the heart are called veins.
true or false could anticholinergics prevent blood clotting?
False
True or false the force of blood against the walls of the arteries is called blood pressure?
True.
Why platelets are not true cells?
No they are not true cellsThey are pieces of cells. They do not have a nucleus, etc. Platelets create scabs when you get a cut so that your blood doesn't keep pouring out.
Does oxygen enter the blood in the air sacs true or false?
true
Three kinds of blood verssels are redwhite and blue True or False?
false
When the heart beats it pumps blood through blood vessels throughout the body true or false?
True
Is it true or false that your blood is as salty as the ocean?
False. While blood does contain some salt, the concentration of salt in blood is not as high as in the ocean.
An erythrocyte is commonly knows as a red blood cell true or false?
True!
True or False Iron is necessary for oxygen transport in red blood cells?
false
True or False An annelid's blood does not typically contain hemoglobin?
False!it does contain hemoglobin
