A red blood cell:红细胞:
A. is a fragment of precursor cells.
B. is multinucleated.
C. contains granules in their cytoplasm.
D. lacks a nucleus.
E. can move into tissue spaces from intact blood vessels.
Platelets are responsible for:血小板负责:
A. initiating a blood clot.
B. fighting infection.
C. producing an allergic reaction.
D. transporting carbon dioxide.
E. releasing histamine.
The extracellular matrix (ECM) of blood is referred to as:血液的细胞外基质(ECM)称为:
A. plasma.
B. water.
C. fibrin.
D. platelet.
Which is the following function of white blood cells?白细胞的以下功能是什么?
A. Fight infection.
B. Clot blood.
C. Release insulin.
D. Transport oxygen.
E. Transport carbon dioxide.