8th class. Biology0+
Respiratory organs.
Respiratory organs.
Gas exchange in the lungs and tissues.
Gas exchange in the lungs and tissues.
Prevention of diseases of the respiratory system
Prevention of diseases of the respiratory system
Blood and lymph.
Blood and lymph.
Blood coagulation.
Blood coagulation.
Immunity.
Immunity.
Heart.
Heart.
Blood vessels.
Blood vessels.
Diseases of the cardiovascular system and their prevention
Diseases of the cardiovascular system and their prevention
Urinary system and its diseases
Urinary system and its diseases
Skin.
Skin.
Central and peripheral nervous system.
Central and peripheral nervous system.
Somatic and autonomic nervous system.
Somatic and autonomic nervous system.
Visual sensory system.
Visual sensory system.
Auditory sensory system.
Auditory sensory system.
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