Physiology of Respiration

Q.

The floor of the chest cavity has a thick muscular partition known as

1. Alveoli

2. Diaphragm

3. Ribcage
4. Nephron

Q. What happens to ribcage when we breathe in ?

Q.

The floor of the chest cavity has a thick muscular partition known as the diaphragm.

1. diaphragm

2. nasal cavity

Q.

The floor of the chest cavity is _________.

1. Nostrils

2. Diaphragm

3. Nasal cavity

4. Lungs

Q. Which of the following body parts form(s) the floor of the chest cavity?

निम्नलिखित में से शरीर का कौनसा भाग वक्ष गुहा को आधार प्रदान करता है?

1. Windpipe
   श्वास नली
2. Ribs
   पसलियाँ
3. Diaphragm
   डायाफ्राम
4. Lungs
   फेफड़े

Q. In human body, lungs are located in the _____ cavity.

1. chest
2. pelvic
3. abdominal
4. buccal

Q. Pisces obtain oxygen dissolved in water by using gills.

1. False
2. True

Q. Which of the following activities is characterised by minimum breathing rate?

1. Sleeping
2. Washing of clothes
3. Cleaning of floor
4. Dancing

Q. Deoxygenated blood has more oxygen and less carbon dioxide.

1. False
2. True

Q.

The air we inhale consists of approximately 21% oxygen.

1. 10%

2. 21%

Q. The is a large muscular sheet present at the floor of the chest cavity.

1. trachea
2. diaphragm
3. larynx
4. rib

Q. What is transpiration?

Q. Choose the correct statement from the following about respiration of organisms.

Q. The lime water test is used to confirm the presence of _________________ in the air we exhale.