Blood is called a liquid because it's a special connective tissue that consists of a fluid matrix known as plasma.
Blood serves as the primary body fluid in higher organisms, including humans, for transporting various substances. While lymph also aids in transport, blood's fluid nature stems from its composition:
- Plasma: According to the reference, blood is a connective tissue made up of a fluid matrix called plasma. It is this fluid matrix that gives blood its liquid property.
In essence, blood is called a liquid because it's primarily composed of plasma, a fluid matrix. This fluid characteristic enables its function as a transport medium within the body.
