iGCSE Biology (0610)-9.3 Blood vessels – iGCSE Style Questions Paper 3

Question

Fig. 2.1 shows a section through a blood vessel.

 

(a) Identify the type of blood vessel shown in Fig. 2.1.
(b) Red blood cells are different to white blood cells.
       State three ways in which a red blood cell is different to a white blood cell.

(c) (i) State the name of the liquid component of blood.
      (ii) State three substances that are transported in the liquid component of blood.

Answer/Explanation

Ans

2   (a) capillary / capillaries ;

      (b) no nucleus ;
            smaller ;
            contain, haemoglobin / Hb ;
            (bi)concave disc shape / described ;
            carries oxygen ;
            does not produce antibodies / not involved in immunity ;
           does not carry out phagocytosis ;
          AVP ;; e.g. transports carbon dioxide / more RBC’s 

      (c) (i) plasma ;

           (ii) glucose ;
                  amino acids ;
                  (plasma) proteins ;
                  fats / glycerol / fatty acids ;
                  vitamins / one named vitamin ;
                  mineral (ions) / one named mineral ion ;
                  hormones ;
                  urea ;
                  carbon dioxide ;
                  water ;

Scroll to Top