Components of Respiratory System in Humans
Trending Questions
What is the importance of rings of cartilage in trachea ? Why is it C shaped ?
What are the functions of ribs and diaphragm? [3 MARKS]
How most of the carbon dioxide is transported to the lungs?
During inspiration the diaphragm
Relaxes to become dome-shaped
Contracts and flattens
Shows no change
Expands
Why we yawn when we are sleepy or drowsy
__________is also known as windpipe
Explain the process of breathing in detail. [5 MARKS]
In aerobic respiration, how many ATP molecules are produced by the oxidation of one glucose molecule?
The front opening of the windpipe is guarded by ___________.
Glottis
Bronchi
Epiglottis
Lungs
- 0.02%
- 6%
- 4%
- 10%
The trachea bifurcates into two small branches which are known as
Alveoli
Spiracles
Bronchi
Cartilage
During the process of exhalation, the ribs move
(a) down and inwards
(b) up and inwards
(c) down and outwards
(d) up and outwards
Explain the process of cellular respiration.
During inhalation, the diaphragm moves _______ .
up
down
right
left
The muscular sheet that forms the floor of the thoracic cavity is known as ______ .
Buccal cavity
Kidney
Diaphragm
Liver
Is human hair a living thing?
Exchange of gases in insects occur in tubes called
Trachea
Bronchi
Alveoli
Spiracles
Lungs are spongy in nature due to the presence of tiny balloon-like structures called ________ .
diaphragm
chest cavity
stomach
abdominal cavity
Describe the structure of the hair.
What is the respiratory organ of man? ( Nose or lungs?)
Explain how the blood system carries waste products from the liver to the kidneys.
- Diffusion
- Exocytosis
- Active transport
- Osmosis
The openings through which we inhale is called
Fill in the blanks with the correct option.
A muscular membrane present below the lungs is called the ______________.
