It brings a transport liquid into close contact with all cells in the body
From the given choices, the first that would be deposited by the river is the sand. This is because sand are comparatively smaller than all of the given substances. This makes it easier for river to transport it and deposit it.
Answer:
During late adulthood the skin continues to lose elasticity, reaction time slows further,
muscle strength and mobility diminishes ,hearing and vision decline and the immune system weakens.
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Explanation: