Most animals relax at some point. -My 2 cats are supreme experts at this !
They receive an injection that relaxes their muscles to the point of death.
Relaxes is a verb; the third person singular of the verb to relax (relaxes, relaxing, relaxed).
Diastolic and systolic is when your heart contracts and relaxes.
When the bicep contracts, the tricep relaxes. These pair of muscles are known as antagonists which means as one contracts, the other relaxes and vice versa.
No, exhalation does not occur when the nose relaxes.
The bicep muscle. The tricep contracts to straighten the arm as the bicep relaxes.
it relaxes your body
exhale
I think what your after is called an antagonistic pair of muscles, for example the bicep and the tricep. When the bicep is contracting the tricep relaxes and when the tricep is contracting the bicep relaxes.
heart
is a verb
muscles