life process Flashcards
What is blood?
Blood is a fluid connective tissue.
what is blood composed of?
- Plasma (55%)
- Blood Cells / Corpuscles (45%)
What is the function of plasma?
- To maintain body temperature
- To maintain amount of mineral and body salt
What does plasma transport?
Plasma transports digested food, hormones and waste food
What is another name for rbc?
Erythrocytes
What is the shape of rbc or erythrocytes?
Circular, bi-concave and disc shaped
In each cubic millimeter how many rbc are there?
40-45 lakhs rbc per cubic m
Lifespan of RBC?
about 4 months
Why is erythrocytes red?
Erythrocytes or RBC are red because they contain pigment called hemoglobin which contains iron and protein and when iron is binded to oxygen it gives red color
Deficiency of RBC causes what?
anaemia
what is erythrocytes or rbc made of?
Iron and protein called globin
what does hemoglobin form when it combines with oxygen and carbon dioxide?
oxygen - oxy-haemoglobin
carbon dioxide - carboxy- haemoglobin
Where are RBC formed and destroyed?
formed- bone marrow
destroyed - liver and spleen
What does excess rbc causes?
Polycythemia
what does a person with anaemia feel after a short walk
tiredness
what is another name for wbc?
leucocytes
what is the shape or structure of leucocytes?
They have no definite shape.
Compare wbc with rbc in respect to their size and nucleus
Erythrocytes have no nucleus and are comparatively smaller than leucocytes. Leucocytes have nucleus and are larger than erythrocytes
types of white blood cells?
- Granular
- Non granular
What are granular cells?
WBC that contain granules are called granular cells
What are granules?
Granules are non living particles
what are non granular leucocytes?
Non granular leucocytes are the wbc that don’t contain granules.
list granular leucocytes. (mnemonics : never eat bananas with granules)
- Neutrophil
- eosinophil
- basophill
list non granular leucocytes . (mnemonics ; lazy monkey avoid granules))
- Lymphocytes
- Monocytes
