Blood capillaries are made of
A. endothelium, connective tissue and muscle fibres
B. endothelium and muscle fibres
C. endothelium and connective tissue
D. endothelium only
Answer:D
Blood capillaries are made of
A. endothelium, connective tissue and muscle fibres B. endothelium and muscle fibres C. endothelium and connective tissue D. endothelium only