Haemoglobin vs Myoglobin

Each molecule of haemoglobin has one iron-containing haem group, while myoglobin has four iron-containing haem groups.

Haemoglobin is found in muscles, while myoglobin is found in red blood cells (RBCs).

Haemoglobin can bind to one oxygen molecule, whereas myoglobin can bind to four oxygen molecules. (correct)

Haemoglobin consists of one polypeptide chain, while myoglobin consists of four polypeptide chains.

Releasing oxygen more readily than myoglobin

Storing oxygen in muscle tissues

Binding to oxygen more tightly than myoglobin

Transporting oxygen throughout the body (correct)

20 mmHg (correct)

40 mmHg

60 mmHg

80 mmHg