Transport in Animals

• Haemoglobin is a protein that carries oxygen in the blood.
• Oxyhaemoglobin: a bright red substance formed by the combination of haemoglobin with oxygen, present in oxygenated blood.
• Red Blood Cells are effective at transport as the have no nucleus and are biconcave in shape
• A Pathogen is a microorganism that can cause disease in a host.
• A White Blood Cell is a type of leukocyte that is responsible for the defense of the body against pathogens.
• A Leukocyte is a white blood cell that is involved in the immune system.
• A Phagocyte is a type of white blood cell that engulfs and digests foreign particles.
• A Lymphocyte is a type of white blood cell that produces antibodies.
• Phagocytosis is the process of engulfing and digesting foreign particles.
• Antibodies are proteins that are produced by Lymphocytes to fight infection