Circular muscles of iris contracts radial muscles relax; ciliary muscles relax increasing tension on the suspensory ligaments; lens becomes thinner increasing the focal lenghth; image focused onto retina.
steve williams answered the question on November 14, 2017 at 21:02
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Explain why an athlete after winning 100 meters race breath move quickly and deeply.
(Solved)
Explain why an athlete after winning 100 metres race breath move quickly and deeply.
Date posted:
November 14, 2017
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Answers (1)
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Explain why amoeba does not have a specialized structure for gaseous exchange.
(Solved)
Explain why amoeba does not have a specialized structure for gaseous exchange.
Date posted:
November 14, 2017
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Answers (1)
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Why is that a father can only transmit haemophilia to his daughter but not to his son?
(Solved)
Why is that a father can only transmit haemophilia to his daughter but not to his son?
Date posted:
November 14, 2017
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Answers (1)
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Name the branch of biology that deals with the study of cells in the body of organisms.
(Solved)
Name the branch of biology that deals with the study of cells in the body of organisms.
Date posted:
November 14, 2017
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Answers (1)
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What is symbiosis?
(Solved)
What is symbiosis?
Date posted:
November 13, 2017
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Answers (1)
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State two role of hydrochloric acid in the digestion food
(Solved)
State two role of hydrochloric acid in the digestion food
Date posted:
November 13, 2017
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Answers (1)
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Explain why a father is the determinant of the sex of a child and not the mother
(Solved)
Explain why a father is the determinant of the sex of a child and not the mother
Date posted:
November 12, 2017
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Answers (1)
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Explain two ways of determining an unknown genotype of a particular plant variety
(Solved)
Explain two ways of determining an unknown genotype of a particular plant variety
Date posted:
November 12, 2017
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Answers (1)
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Discuss the mechanisms of desert mammals towards water conservation.
(Solved)
Discuss the mechanisms of desert mammals towards water conservation
Date posted:
November 12, 2017
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Answers (1)
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State and explain four diseases that affect the circulatory system.
(Solved)
State and explain four diseases that affect the circulatory system.
Date posted:
November 12, 2017
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Answers (1)
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Give four differences between the DNA and the RNA molecules.
(Solved)
Give four differences between the DNA and RNA molecules
Date posted:
November 12, 2017
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Answers (1)
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Describe the structure of a DNA molecule
(Solved)
Describe the structure of a DNA molecule
Date posted:
November 12, 2017
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Answers (1)
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Describe the process involved in DNA coding to a protein molecule
(Solved)
Describe the process involved in DNA coding to a protein molecule
Date posted:
November 12, 2017
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Answers (1)
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Which type of muscles are found in mammalian heart?
(Solved)
Which type of muscles are found in mammalian heart?
Date posted:
November 12, 2017
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Answers (1)
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Name two digestive enzymes that work best at acidic conditions in human body.
(Solved)
Name two digestive enzymes that work best at acidic conditions in human body.
Date posted:
November 12, 2017
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Answers (1)
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Prevalence of helicobacter pylori among patients attending Kakamega county teaching and referral hospital
(Solved)
Prevalence of helicobacter pylori among patients attending Kakamega county teaching and referral hospital
Date posted:
November 11, 2017
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State the excretory products of plants and some of their economic importances
(Solved)
State the excretory products of plants and some of their economic importances.
Date posted:
November 10, 2017
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Answers (1)
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Describe the continuous process of water movement from the soil to the leaf of a plant.
(Solved)
Describe the continuous process of water movement from the soil to the leaf of a plant.
Date posted:
November 10, 2017
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Answers (1)
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Name the organelle in which synthesis and transport of lipids takes place.
(Solved)
Name the organelle in which synthesis and transport of lipids takes place.
Date posted:
November 10, 2017
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Answers (1)
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Name two classes of phylum Chordata whose members are endothermic.
(Solved)
Name two classes of phylum Chordata whose members are endothermic.
Date posted:
November 10, 2017
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Answers (1)