Central nervous System and Peripheral Nervous System The central nervous system includes the brain and spinal cord, wh…
INTRODUCTION TO LYMPHATIC SYSTEM LYMPH NODES Lymph nodes are small structures that work as filters for harmful substa…
CARDIOVASCULAR SYSTEM The cardiovascular system refers to the heart, blood vessels and the blood. Blood contains oxyge…
SKELETAL SYSTEM: What are the bones of the axial and appendicular skeleton? The axial skeleton forms the vertical a…
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