Question

A group of tissues working together is _______. A. an organ B. a cell C. a compound D. an organelle

Answer 1

A. An Organ.

Step-by-step explanation:

A group of tissues working together is an organ. Organs include bones, skin, the heart, and the brain. A group of organs that work together, such as the heart and blood vessels, make up an organ system.

Answer 2

A group of tissues working together is an organ.

ANSWER:

A. an organ