A lumen that contains blood with a comparatively higher concentration of oxygen is in the
a. right ventricle
b. inferior vena cava
c. pulmonary artery
d. pulmonary vein
e. coronary veins
D
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In adults, the medullary cavities of most long bones contain red marrow
Indicate whether this statement is true or false.
An antigen is a large, unique molecule that triggers a specific immune response against itself, such as generation of antibodies that lead to its destruction
a. True b. False Indicate whether the statement is true or false
What is vasopressin also known as?
a. angiotensin I b. angiotensin II c. renin d. antidiuretic hormone e. insulin
Describe hemoglobin
A) Hemoglobin is a protein inside platelets that when activated makes them sticky. B) Hemoglobin is a lysosomal enzyme inside white blood cells that digests pathogens after phagocytosis. C) Hemoglobin is a protein inside RBCs that helps maintain their flexibility. D) Hemoglobin is a protein inside RBCs that binds oxygen. E) Hemoglobin is an enzyme inside RBCs that converts carbon dioxide to carbonic acid.