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.
(a) endothelium, connective tissue and muscle
fibres
(b) endothelium and muscle fibres
(c) endothelium and connective tissue
(d) endothelium only.