Question

2
Fill in the blanks
1] The entry root of the allergen-pollen is_____
2]_____of the brain extends into the spinal cord.​

Answer 1

Answer:

1.Allergens enter the body through four main routes: the airways, the skin, the gastrointestinal tract, and the circulatory system.

2.Medulla oblongata, also called medulla, the lowest part of the brain and the lowest portion of the brainstem. The medulla oblongata is connected by the pons to the midbrain and is continuous posteriorly with the spinal cord, with which it merges at the opening (foramen magnum) at the base of the skull.

Explanation:

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