Blood cells

1.

BLOOD CELLS

2.

Lesson objectives
To investigate features of blood cells.

3.

There are 3 types of blood cells:
Erythrocytes
Leukocytes
Thrombocytes

4.

Erythrocytes
Red blood cells
Disk shaped
5 million in 1mm³ of
blood
Transports oxygen.
Contains protein
called
HEMOGLOBIN.
Hemoglobin attaches
oxygen

5.

Leukocytes
White blood cells
Irregular in shape
Protects body from
pathogens and
infectious diseases
~4 500-11 000 in
1mm ³

6.

Thrombocytes
Platelets
Forms blood clot to
stop bleeding
~250 000 in 1mm³ of
blood

7.

8.

New words
ERYTHROCYTE- 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