Physiologists enumerate three kinds of reflex actions, which are either purely sympathetic, or partially influenced by the cerebro-spinal system.
Other changes in the blood supply to different parts of the body are also of the nature of reflex actions.
A given act performed a number of times under conscious direction establishes a condition in the nervous system that enables it to occur without that direction and very much as reflex actions occur.
The cerebrum, in addition to controlling the voluntary movements, is able to establish the necessary conditions for secondary reflex actions, such as walking, writing, etc.
With respect to reflex actions, therefore, it is desirable to begin by pointing out how widely the adaptations which they involve differ from those where no manufacture, so to speak, of special machinery is required.
If the muscles of the vocal organs are subject to involuntary contractions, the causes of these contractions must be sought through an investigation of the subject of reflex actions.
Reflex Actions due to Sensory Impressions other than those of Touch or Muscular Sense A wide range of movements is included under this heading.
Reflex actions are of several kinds; of these the simplest type, and the one most easily studied, is the muscular contraction due to the excitation of the sensory nerve endings located in the skin.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "reflex actions" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
