The reticular formation in the brain stem
The brain and central nervous system
fascism
aldosterone
RNA
RNA
Protein kinase and Allosteric effector
Sphere of Influence
Aldosterone
The couch you are sitting on
What_is_the_sensitive_area_of_the_small_intestine_which_exerts_control_over_the_entire_digestive_tractAccording to this the "Duodenu".
There are a lot of systems that controls the body. These are: Immune System Digestive System Cardiovascular System Integumentary System Respiratory System Endocrine System Reproductive System Excretory System Musculoskeletal System Nervous System
That is a Keystone Species.