2.4 Provide the journey of a deoxygenated red blood cell as it travels from the heart into the lungs.  Choose the correct options from the dropdown buttons below.   (6)   The [1] contracts and the blood is forced through the [2] into the [3], which branches into the [4].  The arteries branch into smaller [5], transporting the blood to the lungs.  In the lungs, these blood vessels branch further to form the [6] of the lungs.  

Die tabel hieronder toon die rustende polsslag van verskillende soogdiere en die aantal slae in die gemiddelde leeftyd van elke organisme.   KLIK OP DIE KNOPPIE HIERONDER OM DIE TABEL OOP TE MAAK: 

1.8    Hoe kan jy die betroubaarheid van die eksperiment verhoog?     (3)  

Match the Spanish term with the English term

2.3 Noem DRIE siektes wat veroorsaak kan word deur ‘n kombinasie van ‘n ongesonde leefstyl, ongebalanseerde dieet en gebrek aan oefening. (3)  

2.1 Discuss two differences between arteries and veins. (4)

1.7   Interpreteer die resultate in jou grafiek deur die verhouding wat bestaan tussen die afhanklike en onafhanklike veranderlike te verklaar. (2)  

1.8  How could you increase the reliability of the experiment?  (3)  

1.2   Wat is die gemiddelde hartklop van persoon A?  Wys al jou berekeninge en rond jou antwoord af na die naaste heelgetal.   (3)

The following table shows the resting pulse rate of different mammals and the number of beats in the average lifetime of each organism.  TO VIEW THE DIAGRAM, RIGHT-CLICK ON THE BUTTON BELOW AND OPEN IT IN A NEW WINDOW: