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प्रश्न
During inspiration, the diaphragm ______.
पर्याय
expands
unchanged
relaxes to become domed–shaped.
contracts and flattens
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उत्तर
During inspiration, the diaphragm contracts and flattens.
संबंधित प्रश्न
Distinguish between photosynthesis and aerobic respiration.
Why do we often sneeze when we inhale a lot of dust-laden air?
Normal range of breathing rate per minute in an average adult person at rest is ______.
During exhalation, the ribs ______.
Answer briefly the following:
What is the difference between breathing and respiration?
Choose the correct alternative.
_______ muscles contract when the external intercostal muscles contract.
Long answer question:
Smita was working in a garage with the doors closed and automobile's engine running. After some time she felt breathless and fainted. What would be the reason? How can she be treated?
Dr. Usha is a pulmonologist (Doctor for respiratory diseases). One day, a school student named Arjun, met her with respiratory problems. After diagnosis, the doctor advised him to go to playground daily and play football or basketball. She also advised him to do pranayamam in the morning.
- Why did the doctor advise him to go to the playground?
- What is the use of pranayamam?
Vital capacity is ______.
Make the correct pairs.
| Column – I | Column – II |
| (P) IC | i. maximum volume of air breathe in after forced. |
| (Q) EC | ii. Volume of air present after expiration in lungs. |
| (R) VC | iii. Volume of air inhaled after expiration. |
| (S) FRC | iv. Volume of air present after expiration in lungs. |
______ is formed when carbon monoxide combines with haemoglobin.
During inspiration, the inter-costal muscles ____________.
When you hold your breath, identify the gas changes that occur in blood and would first lead to the urge to breathe.
CO2 carried from the tissue cells in the blood is in the form of ______.
Whenever we feel drowsy or sleepy, we start yawning. Does yawning help us in any way?
Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because ______.
Describe the steps in breathing.
Listed below are four respiratory capacities (1 - 4) and four jumbled respiratory volumes of a normal human adult
| Respiratory Capacities | Respiratory Volumes |
| 1. Residual volume | 2500 mL |
| 2. Vital capacity | 5500 mL |
| 3. Inspiratory sore volume | 1200 mL |
| 4. Total Lung capacity | 4500 mL |
Which one of the following is the correct matching of two capacities and volumes?
