Respiration and Blood based on the LS Cambridge Curriculum

Respiration Week 3.pptx

1. Respiration and Blood Week 3 and 4

2. WB p14

3. LB p33

4. Keywords and definitions Blood plasma is the liquid part of the blood Red blood cells are the most common type of cell in blood; they have no nucleus and they transport oxygen White blood cells are blood cells with a nucleus; they help protect against pathogens Oxyhaemoglobin is the compound formed when oxygen combines with haemoglobin Pathogens are organisms that cause disease eg. Bacteria and viruses Phagocytosis is the actions of phagocytes, certain white blood cells when they take in and destroy pathogens Antibodies are chemicals produces by white blood cells that bind with pathogens and help to destroy them