life process Flashcards
1
Q
What is blood?
A
Blood is a fluid connective tissue.
2
Q
what is blood composed of?
A
- Plasma (55%)
- Blood Cells / Corpuscles (45%)
3
Q
What is the function of plasma?
A
- To maintain body temperature
- To maintain amount of mineral and body salt
4
Q
What does plasma transport?
A
Plasma transports digested food, hormones and waste food
5
Q
What is another name for rbc?
A
Erythrocytes
6
Q
What is the shape of rbc or erythrocytes?
A
Circular, bi-concave and disc shaped
7
Q
In each cubic millimeter how many rbc are there?
A
40-45 lakhs rbc per cubic m
8
Q
Lifespan of RBC?
A
about 4 months
9
Q
Why is erythrocytes red?
A
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
10
Q
Deficiency of RBC causes what?
A
anaemia
