abiotic factors.
An abiotic factor is a non-living part of an ecosystem that shapes its environment.
It is controlled by negative feedback loop.Let's say you have high glucose level in your blood,that will be registered and pancreas will produce more insulin to keep it in the normal range.Therefore by negative feedback loop it will regulate homeostasis
Answer:
to release oxygen from the body
Explanation:
because oxygen is the air and you need oxygen to control dioxibiotic