K.C.S.E Biology Q & A - MODEL 2006PP2QN05
The diagram below represents human foetus in a uterus.
a) Name the part labeled S.
b) i) Name the types of blood vessels found in the structure labeled Q.
ii) State the differences in composition of blood found in the vessels named in (b)(i) above.
c) Name two features that enable the structure labeled P carry out its function.
d) State the role of the part labeled R
(b) (i) Arteries; veins
(ii) More food nutrients; more oxygen in veins less food nutrients more excretory products in arteries
(c) Highly vascular zed; large surface area
Presence of secretory cells
(d) Cushion/ absorb shock
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