Question

why theblood is called connectve tissue

Answer 1

because 1)it has the same origin as do the other connective tissue types and
2)blood connects all the body system together

Answer 2

Heyyaaa!

<> Blood contains liquid matrix and blood cells are floating on it.

<> It does not have fibres.

<> It anchors the muscles and supports the body therefore it is called a connective tissue