A group of nurses is reviewing the cardiovascular system and its function. Which statement is the most accurate regarding the cardiovascular system in the child?
A) At birth the right and left ventricles are about the same size
B) Between the ages of 5 and 6 the left ventricle grows to about two times the size of the right
C) The heart rate of the child decreases if the child has a fever
D) The heart matures and functions like an adult's between 12 and 15 years of age.
Question 2
In understanding the cardiovascular and hematologic systems of the body it is important to know that the blood is made up of plasma, red blood cells, white blood cells, and platelets. Where are the blood cells formed?
A) Arteries
B) Bone marrow
C) Capillaries
D) Lymph nodes
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