The nervous system controls and coordinates all bodily activities through major structures like the brain, nerves, spinal cord, and sensory organs. The document discusses medical terminology suffixes, explaining that -phasia means speech and is used in the term aphasia, which refers to loss of speech often due to brain damage from a stroke. Another suffix discussed is -paresis, which means weakness or partial paralysis, and is used in the term hemiparesis to describe slight paralysis or weakness on one side of the body associated with conditions like stroke.

1. Chapter 12: Nervous System
Unekwah Evans

2. TheNervous
System
Controls and coordinates all bodily
activities
Major structures: brain, nerves,
spinal cord, and sensory organs

3. Suffixesin
medical
terminology
 Suffixes are placed at the end of words
and all medical terms have suffixes to
express different meanings of words.

4. Suffix:-phasia
 -phasia means speech
 One medical term that uses –phasia is
aphasia
 Aphasia means without speech; it is often
caused by brain damage associated with
a stroke

5. Suffix:-paresis
 -paresis means weakness or
partial/incomplete paralysis
 One medical term that uses –paresis is
Hemiparesis
 Hemiparesis is a slight paralysis or
weakness affecting one side of the body;
it is usually associated with a stroke or
brain damage

6. SOURCES
 Medical Terminology for Health
Professions 8th Edition: Ann Ehrlich,
Carol L. Schroeder, Laura Ehrlich,
Katrina A. Schroeder