Blood

Question 1

What are bloods functions

Answer 1

Transport oxygen co2 neutriants waste hormones
Homeostasis regulates ph temp and water
Protects fluid loss against toxins and microbes

Question 2

What are the formed elements of blood?

Answer 2

erythrocytes
Leucocytes granulocytes+ agranulocytes

thrombocytes

Question 3

What are erythrocytes?

Answer 3

No neucleus red blood cells squeeze into small vessels 
Biconcave
Lives for 120 days
Destroyed in liver/spleen
Contains haemoglobin

Question 4

What is haemoglobins function?

Answer 4

Transport gasses

Can carry 4 O2 molecules

Question 5

What is bloods composition percentages

Answer 5

55% plasma

Question 6

What are agranulocytosis?

Answer 6

Similar to cells in areolar tissue
Lymphocytes to destroy invaders with antibodies
Monocytes phagocytic consume invaders kidney shaped neuclei become macrophages in cells

Question 7

What is a basophil?

Answer 7

Releases histamine and heparin like a mast cell in ct

Question 8

Neutrophil

Answer 8

Largest group of white cells phagocytic first line of defence

Question 9

Eosinophil

Answer 9

Phagocytic

Question 10

What are thrombocytes

Answer 10

A neuclate

Clot formation secreats thrombokinase

Question 11

Clot formation

Answer 11

Localised bv constriction
Platelets clump together adhearing to bv walls and each other
Thrombokinase changes fibrinogen into insoluble fibrin traps blood cells
Clot forms lot squeezes serum out as it dries and contracts

Question 12

What are the components of the cv system

Answer 12

Blood
Blood vessels
Heart