At body temperature, the solubility of oxygen in water is approximately 0.025 cm3 of oxygen per cm3 of water. Assuming that the blood plasma is mostly water, how much oxygen could be carried in 1 dm3 of blood if there was no haemoglobin?
Important Questions on Transport in Mammals
Use the given dissociation curve in the given figure and answer the question:
The partial pressure of oxygen in the alveoli of the lungs is about 12kPa. What is the percentage saturation of haemoglobin in the capillaries in the lungs?
Use the given figure and answer the question:
The partial pressure of oxygen in an actively respiring muscle is about 2 KPa. What is the percentage saturation of haemoglobin in the capillaries of such a muscle?
The following statement was made by candidate in an examination answer. Explain what is wrong with this statement.
Oxyhaemoglobin gradually releases its oxygen as it passes from the lungs to a muscle.
The following statement was made by candidate in an examination answer. Explain what is wrong with this statement.
Strong walls of the arteries enable them to pump blood around the body.
The following statement was made by candidate in an examination answer. Explain what is wrong with this statement.
Most carbon dioxide is transported in solution in the plasma.
Identify the time in which each stage in the given figure is occurring.
