level: Animal organisation - transport systems
Questions and Answers List
level questions: Animal organisation - transport systems
| Question | Answer |
|---|---|
| Give 3 ways red blood cells are adapted to carry out their function? | 1)Shaped as biconcave disc - large surface area 2)Contain red pigment - haemoglobin, binds with oxgen - oxyhaemoglobin 3)Have no nucleus |
| Give 2 ways white blood cells are adapted? | 1)Engulf microorganisms - phagacytosis 2)Produce antibodies to fight microorganisms and antitoxins to neutralise their toxins |
| Give 2 ways platelets are adapted? | 1)Small fragments of cells, have no nucleus 2)Help blood clot a wound preventing microorganisms getting in |
| Give 7 things plasma contain? | 1)Red and white blood cells and platelets 2)Nutrients - glucose and amino acids 3)Carbon dioxide 4)Urea 5)Hormones 6)Protiens 7)Antibodies and antitoxins produced by white blood cells |