Physical arousal can facilitate passionate love. It is a naturally occurring and deeply embedded trait found within the DNA of living organisms. The purpose of such is the need to propagate the species in order to ensure its survival in the long run of evolution.
True.
Explanation:
Cardiac muscle and some types of smooth muscle have the ability to contract without any external stimuli.
These muscles are called involuntary muscles.
Involuntary muscle are named so because,these muscles are independent of voluntary control and are controlled by our autonomic nervous system.
These are also known as white or smooth muscle.
Examples, muscles of heart, muscles of alimentary canal etc.
Both the temperature and the pressure increase.
