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i)Pleural fluid- reduces friction between walls of the lung and thoracic cavity during breathing movements
ii)Spongy and elastic- to be able to stretch and take in large volumes of air.
jim items answered the question on September 20, 2018 at 07:09
- Describe how a seed is formed after an ovule is fertilized.
(Solved)
Describe how a seed is formed after an ovule is fertilized.
Date posted: September 20, 2018. Answers (1)
- Name the carbohydrates stored in:
a)Mammalian liver
b)Potato tuber
(Solved)
Name the carbohydrates stored in:
a)Mammalian liver
b)Potato tuber
Date posted: September 20, 2018. Answers (1)
- Name the structures that are the sites of gaseous exchange for each of the following animals
i)Whale
ii)Paramecium
iii)Moth
(Solved)
Name the structures that are the sites of gaseous exchange for each of the following animals
i)Whale
ii)Paramecium
iii)Moth
Date posted: September 20, 2018. Answers (1)
- Name the cell organelle in which carbon (IV) oxide combines with water to form complex organic compounds.(Solved)
Name the cell organelle in which carbon (IV) oxide combines with water to form complex organic compounds.
Date posted: September 19, 2018. Answers (1)
- Name the causal organism of syphilis.(Solved)
Name the causal organism of syphilis.
Date posted: September 19, 2018. Answers (1)
- It is possible to contract amoebic dysentery as a result of close contact with an infected person. Similar contact with malaria victim cannot result into...(Solved)
It is possible to contract amoebic dysentery as a result of close contact with an infected person. Similar contact with malaria victim cannot result into infection. Explain.
Date posted: September 19, 2018. Answers (1)
- What is meant by the term Epigynous ovary?(Solved)
What is meant by the term Epigynous ovary?
Date posted: September 19, 2018. Answers (1)
- What is the main significance of getting rid of lactic acid as one of the end products of anaerobic respiration in animals.(Solved)
What is the main significance of getting rid of lactic acid as one of the end products of anaerobic respiration in animals.
Date posted: September 19, 2018. Answers (1)
- Not all the energy from one trophic level is available to the next level. Explain.(Solved)
Not all the energy from one trophic level is available to the next level. Explain.
Date posted: September 19, 2018. Answers (1)
- How does the body act to conserve water content and also reduce its osmotic pressure when water intake is low? Explain.(Solved)
How does the body act to conserve water content and also reduce its osmotic pressure when water intake is low? Explain.
Date posted: September 19, 2018. Answers (1)
- Explain why sex linked traits are more common in males than in females.
(Solved)
Explain why sex linked traits are more common in males than in females.
Date posted: September 19, 2018. Answers (1)
- Give four examples of vestigial structure in humans.
(Solved)
Give four examples of vestigial structure in humans.
Date posted: September 19, 2018. Answers (1)
- Name the parts of the ear whose functions are given below
i)Enhances equalizing of pressure between outer and the middle ear.
ii)Amplifies sound vibrations in the middle...(Solved)
Name the parts of the ear whose functions are given below
i)Enhances equalizing of pressure between outer and the middle ear.
ii)Amplifies sound vibrations in the middle ear.
Date posted: September 19, 2018. Answers (1)
- How is starch utilized by the seedling?Explain.
(Solved)
How is starch utilized by the seedling?Explain.
Date posted: September 19, 2018. Answers (1)
- State three roles of green plants in fish ponds other than providing food
(Solved)
State three roles of green plants in fish ponds other than providing food
Date posted: September 19, 2018. Answers (1)
- Name the part of the eye where image is formed(Solved)
Name the part of the eye where image is formed
Date posted: September 19, 2018. Answers (1)
- State the difference between Ball and socket and Hinge joint.(Solved)
State the difference between Ball and socket and Hinge joint.
Date posted: September 19, 2018. Answers (1)
- Other than sugars, state other five compounds that are trans-located in the phloem….
(Solved)
Other than sugars, state other five compounds that are trans-located in the phloem….
Date posted: September 19, 2018. Answers (1)
- What is meant by the following terms:
a)Test-cross
b)Allele(Solved)
What is meant by the following terms:
a)Test-cross
b)Allele
Date posted: September 19, 2018. Answers (1)
- Name three factors in nature that increases the process of evolution
(Solved)
Name three factors in nature that increases the process of evolution
Date posted: September 19, 2018. Answers (1)