End of Topic Test - Mass Transport

Test yourself on End of Topic Test - Mass Transport

• What type of ion makes haemoglobin red?

• What is the name given to the effect that states that 'the partial pressure of carbon dioxide (pCO₂) also influences the affinity of haemoglobin for oxygen?

• Into which chamber of the heart does deoxygenated blood from the body flow?

• How many cells thick is a capillary wall?

• What waterproof polymer lines the walls of the xylem?