(a)[5]
Table 4.1 shows descriptions about the mammalian circulatory system and the heart’s structure. Fill in Table 4.1 by writing the term that corresponds to each description.
(b(i))[2]
Water makes up most of the transport-related fluids in mammals and plants. One feature of water is that it can act as a solvent. Suggest why this feature matters in the mammalian transport system.
(b(ii))[3]
Water transport in plants relies on the ability of water molecules to form hydrogen bonds. Explain how hydrogen bonding is involved in the movement of water through the xylem.