The skin is the largest organ of the body. It has three main layers, the epidermis, the dermis and the subcutaneous layer.
-Functions of the skin
-Provides a protective barrier against mechanical, thermal and physical injury and hazardous substances.
-Prevents loss of moisture.
-Reduces harmful effects of UV radiation.
-Acts as a sensory organ (touch, detects temperature).
-Helps regulate temperature.
-An immune organ to detect infections etc.
-Production of vitamin D.
Answer: Sometimes mental health disorders have biological causes. Some of these biological risk factors include chromosomal and chemical abnormalities, genetic predisposition, medical illness, poor response to medication, poor sleep, substance abuse, brain damage, and already having a mental health disorder.
The types of diseases are mainly classified by their origins. In the International Code of Diseases (ICD)
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The disease with its category</h3>
Cancers disorders of body chemistry - neoplasms
Hormonal disorder of body chemistry - Endocrine, nutritional and metabolic diseases;
Degenerative disease of joints - congenital and hereditary diseases
Degenerative disease affecting the heart - congenital and hereditary diseases
Diseases due to physical and environmental agents -Injury, poisoning and some other consequences of external causes;
Degenerative disease of the brain - congenital and hereditary diseases
Mental diseases - congenital and hereditary diseases
With this information, we can conclude that the types of diseases are classified mainly by their origins. In the International Code of Diseases (ICD)
Learn more about ICD in brainly.com/question/26042268