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प्रश्न
In cockroaches, air enters the body through:
विकल्प
lungs
gills
spiracles
skin
उत्तर
Spiracles
In insects (such as cockroaches, grasshoppers), tiny holes called spiracles are present on the body. Air enters the body through these holes.
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संबंधित प्रश्न
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
State whether the following statement is true or false:
during respiration, the plants take CO2 and release O2.
Name the type of respiration in which the end product is:
Lactic acid
Give one example where such a respiration can occur.
Draw a labelled diagram of the human respiratory system.
It has been found that people living in very high mountains have many more red corpuscles in their blood than people living in plains. Which one of the following best accounts for this phenomenon?
In the lungs what substance is removed from the body?
What is the normal percentage composition of gases in inspired and expired air respectively?
Which chemical compound inside a cell can be termed "Currency of Energy"?
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Epiglottis and _____________.
State one function of the following:
Mitochondria
State one function of the following:
Diaphragm
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
With which of the following haemoglobin combines to form carboxyhaemoglobin?
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
Which is the correct sequence of air passage during inhalation?
Which of the following equations is the summary of photosynthesis?
