Your body systems work together to maintain internal conditions, or

The process in which organ systems work to maintain a stable internal environment is called homeostasis. ... Here are just three of the many ways that human organ systems help the body maintain homeostasis: Respiratory system: A high concentration of carbon dioxide in the blood triggers faster breathing

This is known as homeostasis

Only algae, oak trees, and bermuda grass produce atp by photosynthesis i am almost positive