Which is the largest organ of the human body? Skin The surface area is 1.8m2 on an adult human body Identify the structure Is muscle A) organ B)molecule C) organ system D)tissue E) organism Answer: Tissue Identify the structure Is bone A) organ B)molecule C) organ system D)tissue E) organism Answer: organ Identify the structure Is tendon A) organ B)molecule C) organ system D)tissue E) organism Answer: tissue Identify the Structure Is haemoglobin A) organ B)molecule C) organ system D)tissue E) organism Answer: molecule Identify the Structure Is blood A) organ B)molecule C) organ system D)tissue E) organism Answer: organ Identify the Structure Is liver A) organ B)molecule C) organ system D)tissue E) organism Answer: organ Identify the Structure Is antibody A) organ B)molecule C) organ system D)tissue E) organism Answer: molecule Identify the Structure What level of organisation is the nervous system? Answer: organ system