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Internal medium of organism (BLOOD)
Содержание
- 1. Internal medium of organism (BLOOD)
- 2. BLOODBlood is a connective tissue It consist of 45% blood cells and 55% plasma
- 3. Слайд 3
- 4. Слайд 4
- 5. Functions of the BloodNutrient TransportHormone TransportHomeostasisImmune responseClotting
- 6. Plasma constitutes 55% of the blood
- 7. Plasma proteinsThere are more than 70 different
- 8. Erythrocytes – red blood cellsThere are approximately
- 9. HemoglobinIt consists ofA heme groupA globin groupThe
- 10. HEMOGLOBINThe transport of oxygen and carbon dioxide are carried out by hemoglobin
- 11. Слайд 11
- 12. Слайд 12
- 13. Erythrocytes are produced by the red bone
- 14. Leucocytes are nucleated, spherical, white cellsThe number
- 15. Слайд 15
- 16. Thrombocytes - PlateletsBlood platelets, or thrombocytes, number
- 17. ThrombocytesThey play a vital role in preventing
- 18. Слайд 18
- 19. Скачать презентанцию
BLOODBlood is a connective tissue It consist of 45% blood cells and 55% plasma
Слайды и текст этой презентации
Слайд 7Plasma proteins
There are more than 70 different types of plasma
proteins
Examples:
Fibrinogen is involved in blood clotting
Albumin regulates water level
Globulins participate
in the structure of antibodies and protects body from pathogens
Слайд 8Erythrocytes – red blood cells
There are approximately 4.5 to 5.5
million per mm3 in the adults
Mature erythrocytes in human lack
a nucleus and disk shapedThey have a protein which is called hemoglobin
Слайд 9Hemoglobin
It consists of
A heme group
A globin group
The heme group is
an iron containing complex, whereas the globin group is composed
of proteinsOxygen molecules bind weakly to the iron of the heme group
Слайд 13Erythrocytes are produced by the red bone marrow
The most important
vitamin in erythrocyte production is vitamin B12
Erythrocytes live for approximately
80-120 days in the circulatory system They are destroyed in liver and spleen
Слайд 14Leucocytes are nucleated, spherical, white cells
The number of leucocytes in
a healthy person is approximately 6-8 thousand per mm3
They are
produced by spleen and lymph nodes Life span is about 2-4 days
They have pseudopodia by which they move
Leucocytes - White Blood Cells
Слайд 16Thrombocytes - Platelets
Blood platelets, or thrombocytes, number approximately 250,000/mm3 of
blood
They are 2-4 μm in diameter, non-nucleated
Thrombocytes are produced in
the bone marrow They are broken down in the lungs and spleen
Their life span is only approximately 8 days
Слайд 17Thrombocytes
They play a vital role in preventing blood loss from
the body and maintain homeostasis by blood clotting, thus helping
to prevent the loss of large volumes of blood
