A feedback mechanism in the human body is shown. Insulin from the pancreas allows
the liver to convert excess
Liver
glucose into glycogen
Pancreas
Blood glucose
levels fall
Blood glucose level
rises above normal
Normal blood
glucose level
Blood glucose
levels rise
Blood glucose level
falls below normal
Liver
Pancreas
Glucagon from the pancreas
allows the liver to convert
glycogen into glucose
Based on this diagram, which two systems interact to maintain homeostasis?
Answer
F The nervous and reproductive systems work together to stimulate the production of insulin.
G The circulatory and endocrine systems work together to keep blood sugar levels constant.
The excretory and nervous systems work together to convert glycogen into glucose.
The immune and circulatory systems work together to circulate blood through the pancreas.
H
J