Red blood cells have a ____ pigment (colour) called haemoglobin. When ____ enters the blood, it enters the red blood cells and attaches to the haemoglobin. It then travels in the blood attached to the ____. When the blood arrives at the cells, the oxygen gets released into the ____. Some white blood cells can surround ____ and other foreign organisms that enter the body. The ____ then take the organism into itself (engulfs) and digests it. Other white blood cells may produce ____ - these hold the invading organism so that the engulfing cells can capture them. Platelets play an important role in helping the ____ to clot whenever a blood vessel gets damaged. This ____ prevents blood from escaping and it also prevents microorganisms from entering the body. Most types of blood cell are made in the ____ marrow - the soft substance found in the centre of the bone.

How do the blood cells carry out their function?

di
Incorpora

Classifica

Stile di visualizzazione

Opzioni

Cambia modello

Ripristinare il titolo salvato automaticamente: ?