This link should answer your question.
http://en.wikipedia.org/wiki/Physiological_antagonists
Basically they have opposite effects to the body. The term antagonist is a medical/physiological term used to describe this effect.
Contending or acting against; as, antagonistic forces
1. Synergistic effects in which two or more hormones act together to produce an effect that is greater than the sum of their separate effects. 2. Permissive effects in which one hormone enhances the target organ's response to a second hormone that is secreted later. 3. Antagonistic effects in which one hormone opposes the action of another. For example, insulin lowers blood glucose level and glucagon raises it.
It is called "Logic".
It is called Convection.
Light particles are called Photons.
A baby shark is called a pup
antagonistic effect
they are called antagonistic muscles.
antagonistic muscles
an antagonistic hormone
antagonistic
Theodore's actions were unneccesarily antagonistic. The antagonistic detective was very scary to the people he was questioning. The small child displayed antagonistic tendencies. Her father was antagonistic.
Antagonistic
Not exactly. "Antagonistic" means hostile.
The muscles of a chickens wing are antagonistic. Antagonistic muscles are the ones that oppose a specific type of movement.
which two pairs of muscles are antagonistic pairs?
The voters grew more and more antagonistic as the economy continued to slip into a depression. Synonyms for antagonistic are hostile, unfriendly, and combative.
antagonistic