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Blood cells
1.
BLOOD CELLS2.
Lesson objectivesTo investigate features of blood cells.
3.
There are 3 types of blood cells:Erythrocytes
Leukocytes
Thrombocytes
4.
ErythrocytesRed blood cells
Disk shaped
5 million in 1mm³ of
blood
Transports oxygen.
Contains protein
called
HEMOGLOBIN.
Hemoglobin attaches
oxygen
5.
LeukocytesWhite blood cells
Irregular in shape
Protects body from
pathogens and
infectious diseases
~4 500-11 000 in
1mm ³
6.
ThrombocytesPlatelets
Forms blood clot to
stop bleeding
~250 000 in 1mm³ of
blood
7.
8.
New wordsERYTHROCYTE- эритроцит
LEUKOCYTE-лейкоцит
THROMBOCYTE-тромбоцит; кровяная
пластинка
BLEEDING-қанау, кровотечение
BLOOD CLOTTING-қан ұюы, свертывание
крови
FIGHT-күресу, бороться
PATHOGENS-ауру тудырушылар, патогены
INFECTIOUS DISEASES-жұқпалы аурулар,
инфекцинные заболевания