Alicia created a physical model to show how one of the human body systems works. she first adds sand and pebbles to a glass of water. then, she uses filters to separate the solids from the water.
which organ(s) serve(s) a similar function in the human body?
a) the heart
b) the glands
c) the kidneys
d) the stomach

Option C, Kidneys

Explanation:

Kidney is very essential as it regulates the fluid content in our body; it also filters out essential nutrients from the blood; filters waste material from food and also regulate blood pressure. In the model, it is depicted that solid material is filtered out form the liquid. This process conjugates with the filtering process of kidneys.  

Heart is responsible for pumping blood, glands secrete hormones and stomach digest food.  

Option C is correct

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