Explanation
$$\bullet$$ The four chambers given in sequence will be rumen, reticulum, omasum and abomasum.
$$\bullet$$ Rumen has multiple microorganisms which are responsible for fermenting the food. It helps regurgitate the food so that it can be chewed again.
$$\bullet$$ Main function of the reticulum is to collect the small digested particles and pass them to the omasum.
$$\bullet$$ Omasum is the part of the stomach where the absorption of water, electrolytes, minerals and volatile fatty acid takes place.
$$\bullet$$ Abomasum is glandular as it helps in digesting the food chemically based on secretions of the glandular cells.
Hence, the correct answer is option (A).
$$\textbf{Correct answer: A}$$
$$\textbf{Option (A):}$$
$$\bullet$$ The intake of food through the mouth is called ingestion. After ingesting the food, the enzyme action starts on it.
$$\textbf{Option (B):}$$
$$\bullet$$ Egestion is the process of removal of undigested food materials through the anus in the form of faeces.
$$\textbf{Option (C):}$$
$$\bullet$$ Digestion is the process of active conversion of complex food molecules in their simple forms with the action of enzymes.
$$\bullet$$ There are multiple digestive glands that are present throughout the alimentary canal. Enzyme secretion from these glands helps in the digestion of nutrients which makes it suitable for absorption.
$$\textbf{Option (D):}$$
$$\bullet$$ Food required to maintain good health with a balanced diet is called nutrition.
$$\bullet$$ The presence of proper nutrients in the diet is important to maintain the best state of health.
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