Directions: The question consists of two statements an Assertion(A) and a Reason(R). Read both the statements and decide which of the following answer choices correctly depicts the relationship between these two statements.

Assertion(A): Oxygen enters the body through the respiratory system and is transported to the various tissues of the body.

Reason(R): Hemoglobin a pigment gets attached to oxygen molecules to form an unstable compound called oxyhemoglobin.

1
Both A and R are true and R is the correct explanation of A.
2
Both A and R are true but R is not the correct explanation of A.
3
A is true but R is false.
4
A is false but R is true.

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