On the hierarchy ladder of body systems, after the tissue rung the next rung is composed of structures made up of two or more types of tissue that perform a specific function of the body, like the heart, lungs, liver, brain, bladder, stomach, kidneys, and so on. What term BEST describes this rung on the ladder?
a
mitochondria
b
organs
c
cells
d
ribosomes
1 answer
b. organs