The largest cell in this microscope image is a ..............................

 Cells help to

 destroy the micro-organisms

 that cause infectious diseases.

It takes biconcave shape

Biconcave shapes makes the red blood cell flexible

so they can squeeze through ................................

The smaller purple objects in the light microscope image are .............................

 If you cut a blood vessel it is gather around the damaged area to stop blood leaking out.

 These trap red blood cells and seal the wound.

transports substances around your body except oxygen

Plasma transports

 Every cell in your body is close to a .................................

 so it can collect oxygen from passing red blood cells.

oxygen and glucose diffuse into .............................

carbon dioxide diffuse into .............................

 carry oxygen to body cells.

brings glucose and takes away carbon dioxide.

 It makes some of their red blood cells curve into long thin C-shapes.

Anaemia cause a faulty haemoglobin.

 It makes some of their red blood cells curve into long thin C-shapes.

 These curved red cells get stuck in narrow blood vessels.

 They may block them completely and cause ..........................

The protozoa that cause malaria spend part of their lives in ...................

The protozoa that cause malaria feed on