Question

a)_____________ transport blood from the organs to the heart and _____________transport
blood from the heart to the organs.
b) The system _______________collaborates with the circulatory system.
c) The excretory system removes _____________substances from the blood.
d) Egestion takes place in the ____________ where faeces are produced from substances the body doesn’t need.
e) The ____________are two spongy organs which contain the ____________ where the exchange of gas is produced.
f) The circulatory system has three parts: ______________, which is a red liquid; the _____________ , which is a pumping organ; and the tubes where the liquid travels, called _______________.
g) The _____________ is the only organ shared between the respiratory and digestive systems.

Answer 1

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