Question

Fill in the blanks of the following paragraph using just two words - arteries and veins.

___(a)___ carry oxygen-rich blood from the heart to all parts of the body and ___(b)___ carry carbon dioxide-rich blood from all parts of the body back to the heart. ___(c)___ have thin walls and ___(d)___ have thick elastic walls. Blood flows at high pressure in ___(e)___. Valves are present in ___(f) ___ which allow blood to flow only towards the heart. ___(g)___ divide into smaller vessels. These vessels further divide into extremely thin tubes called capillaries. The capillaries join up to form ___(h)___. [4 marks]

Answer 1

(a) - Arteries (0.5 marks)
(b) - veins (0.5 marks)
(c) - Veins (0.5 marks)
(d) - arteries (0.5 marks)
(e) - arteries (0.5 marks)
(f) - veins (0.5 marks)
(g) - Arteries (0.5 marks)
(h) - veins (0.5 marks)