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the tiny hairs called (a)   inside the nose filter out dust and other particles present in the air and protects the nasal passage and other regions of respiratory tract.

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trachea or (a)   filters the air we inhale and branches into the bronchi.

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(a)   are the two air tubes that branch off from the trachea and carry atmospheric air directly into the lungs.

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the main organ or the site in the body where oxygen is taken in and carbon dioxide is released.

(a)  

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is a tiny sac-like structure present in the lungs in which the gas exchange takes place.

(a)  

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(a)   controls breathing, a dome-shaped muscle located at the bottom of the lungs.

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(a)   is also known as breathing.

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an average person breathes (a)   times a day.

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a (a)   is a waste gas from different body processes

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the (a)   is the outer part of our respiratory system. It is mostly made out of cartilage, which makes it flexible and strong.

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the (a)   is the two opening part of the nose.

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what do you call an organ that prevents food from entering the larynx and trachea?

(a)  

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it is the organ of our respiratory system that vibrates to produce sounds.

(a)  

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which gas is needed by our body?

(a)  

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which part of our respiratory system does the exchange of oxygen and carbon dioxide occur

(a)  

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what is the movement of the diaphragm during inhalation?

(a)  

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the body cannot breathe without a perspiration system

true or false

(a)  

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there are still oxygen in the air we breathe out

true or false

(a)  

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respiratory system is made up of trachea, lungs and the pancreas

true or false

(a)  

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what system of the body is responsible for distributing nutrients, oxygens, and other essential substances to all parts of the body.

(a)  

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what do you call the hollow muscular organ located in the chest between the lungs?

(a)  

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how many chambers does the human heart have?

(a)  

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(a)   are the hollow tubes through which blood flows as it circulates around the body.

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(a)   are the blood vessels that carry blood away from the heart. They carry blood that is rich in oxygen, which is brought to the other parts of the body.

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The (a)   is the largest blood vessel and is the most widely known artery in the body. It carries blood away from the left ventricle and extends down to the abdomen before branching off into two smaller arteries.

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(a)   are the blood vessels that carry deoxygenated blood from other parts of the body back to the heart and lungs.

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(a)   blood is the blood that is no longer carrying oxygen.

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(a)   are extremely small and very thin blood vessels that transport blood from the arteries to the veins.

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(a)   is the red bodily fluid that circulates around the body, travelling through veins, arteries, and capillaries.

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(a)   are the most abundant cells in the blood. They contain hemoglobin, an iron-containing protein, which makes the transport of oxygen easier.

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(a)   or leukocytes, defend the body against infectious diseases and foreign materials. They attack and destroy germs that enter the body.

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blood cells that help the blood clot in order to stop bleeding. They are shaped like small plates and are smaller than red and white blood cells.

(a)  

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(a)   is the liquid part of the blood.

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(a)   is a type of cancer that usually starts in the bone marrow. It leads to the production of too many abnormal white blood cells.