Question

A heterogenous group of yellow-brown pigments, often found in cardiac muscle and liver cells and in increasing amounts with age or debilitated states, is known as:

Answer 1

Lipofuscin

Step-by-step explanation:

Gonna take a guess and say these are Lipofuscin cuz these guys are also known as "age pigments" cuz they accumulate in large quantity as cells age.

Hope its right.