Respiratory System

Q.

What is the significance of respiration?

Q.

Which part is missing in the path of air in the human body?

Nose $\to$ Trachea $\to$ ___ $\to$ Bronchioles $\to$ Alveoli

1. diaphragm

2. epiglottis

3. pleura

4. bronchi

Q. The breakdown of glucose into carbon dioxide and water in the presence of oxygen with the release of energy is called ________.

1. breathing
2. transpiration
3. anaerobic respiration
4. aerobic respiration

Q.

What is the function of an artery?

Q.

The accumulation of lactic acid in muscle cells causes ______.

1. cramps

2. heart blockage

3. boils

4. stroke

Q. Exchange of gases in alveoli occurs through _________ .

1. absorption
2. dialysis
3. diffusion
4. anaerobic respiration

Q. Epiglottis prevents us from choking while eating food.

1. 
   True
2. 
   False

Q.

Food + Oxygen $\to$ Energy + Waste products. Which process does this equation represent?

1. Inspiration

2. Exhalation

3. Respiration

4. Expiration

Q.

Blinking of eyes is an example of______________

Q.

What is the function of cranium?

Q. What are respiratory organs of human body? Mention its location.

Q. expels the foreign particles in inhaled air, which irritate the lining of the nasal cavity.

1. Crying
2. Coughing
3. Sneezing

Q.

Why is respiration considered to be an energy giving process?

Q.

Taking carbon dioxide and giving out oxygen is a major step of respiration.

1. True
2. False

Q.

Define the following term:

Respiration

Q. Which of the following prevents food from entering the trachea?

1. Pharynx
2. Epiglottis
3. Glottis
4. Larynx

Q. Which of the following prevents food from entering the trachea?

1. Glottis
2. Pharynx
3. Epiglottis
4. Larynx

Q.

The brain is protected by the ____________ .

Q. Main organ of respiration in human body is

[Review question: Pg. No: 83]

1. Lungs
2. Stomach
3. Spleen
4. Heart

Q. The __________ are removed from the body by the excretory system.

1. Nitrogenous wastes
2. Uric acid
3. Sulphur
4. Carbondioxide

Q. In mammals, which of the following contains blood with the highest oxygen content?

1. Right atrium
2. Jugular vein
3. Pulmonary artery
4. Left ventricle