Question

question 3 of 10
what are organs made of?
a. tissues
b. nonliving material
c. systems
d. reflexes

Explanation:

In biological organization, organs are composed of different types of tissues that work together to perform a specific function. Tissues are groups of similar cells that have a common function. Non - living material does not make up organs. Systems are made up of organs, not the other way around. Reflexes are functions related to the nervous system and not what organs are made of.

Answer:

A. Tissues