Vocabulary

• have to: Must do
• for example: As an illustration or instance.
• at home: In one's own residence or country.
• suffer from: To experience pain or distress; to be badly affected by.
• such as: For example; like
• breathe in: To inhale; to take air into the lungs.
• talking about: To discuss a particular topic.
• come from: To have as your native country or city
• too heavy: Having excessive weight; difficult to lift or move.
• out there: In or to a place that is far away
• at least: As a minimum
• go out: To leave a building (e.g. a house)
• recognize: To accept the truth or reality of something
• immune: Having a special protection from, e.g. the law
• system: Set of organized, planned ideas that work together
• vessel: Container, such as a cup, for holding liquids
• mistake: Something done wrong/calculated wrong; error
• blood: Red liquid in the bodies of people and animals
• receptor: A nerve ending that changes stimuli into impulses
• small: Little in size; not big
• allergic: Of or having a reaction to an allergy
• allergy: Sensitivity to foods, etc. causing a bad reaction
• activate: To cause to happen; cause a chemical reaction
• nose: Part of the face used for breathing and smelling
• airborne: Being in the air
• pollen: Fine, usually yellow powder produced by plants
• itchy: Nervous and unable to relax