External intercostol muscles relax
Internal intercastal muscles contract
Ribcage moves downwards and inward
Diaphragm's muscles relax and it becomes contact
Volume of thoracic cavity decreases
Pressure in the thoracic cavity increases
isaacmuthini answered the question on October 14, 2017 at 07:45
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Give two characteristics of phylum arthropoda.
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Give two characteristics of phylum arthropoda.
Date posted:
October 13, 2017
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Answers (1)
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Explain the roles of diffusion in living organisms.
(Solved)
Explain the roles of diffusion in living organisms.
Date posted:
October 13, 2017
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Answers (1)
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Distinguish between a fine adjustment knob and a coarse adjustment knob in a light microscope.
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Distinguish between a fine adjustment knob and a coarse adjustment knob in a light microscope.
Date posted:
October 13, 2017
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Define the term binomial nomenclature.
(Solved)
Define the term binomial nomenclature.
Date posted:
October 13, 2017
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What brings around colouring of urine?
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What brings around colouring of urine?
Date posted:
October 13, 2017
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Answers (1)
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(a) How does excretion take place in plants? (b) Describe the role of the human skin in homeostasis.
(Solved)
(a) How does excretion take place in plants? (b) Describe the role of the human skin in homeostasis.
Date posted:
October 11, 2017
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Answers (1)
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State two roles of luteinising hormone in human reproduction.
(Solved)
State two roles of luteinising hormone and oestrogen in human reproduction
Date posted:
October 11, 2017
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Answers (1)
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Explain what would happen to excess amino acids in liver of a human being.
(Solved)
Explain what would happen to excess amino acids in liver of a human being.
Date posted:
October 11, 2017
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Answers (1)
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(Solved)
State three structural differences between arteries and veins.
Date posted:
October 10, 2017
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Answers (1)
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(Solved)
Describe how a finned fish such as Tilapia moves in water.
Date posted:
October 10, 2017
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Answers (1)
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(a) Explain how each of the following factors affects the rate of photosynthesis: (i) Temperature (ii) Chlorophyll concentration (b) Describe the process of carbohydrates digestion inhuman beings.
(Solved)
(a) Explain how each of the following factors affects the rate of photosynthesis: (i) Temperature (ii) Chlorophyll concentration (b) Describe the process of carbohydrates digestion inhuman beings.
Date posted:
October 9, 2017
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Answers (1)
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State two characteristics of bacteria which are not found in other living organism
(Solved)
State two characteristics of bacteria which are not found in other living organism
Date posted:
October 9, 2017
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Answers (1)
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Describe the process of fertilization in flowering plants.
(Solved)
Describe the process of fertilization in flowering plants.
Date posted:
October 9, 2017
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Answers (1)
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Describe the role of hormones
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Date posted:
October 9, 2017
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Answers (1)
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a) Distinguish between transpiration and guttation (b) State the importance of guttation in hydrolyte
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Date posted:
October 8, 2017
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a) What is the meaning of the term organic evolution? (b) Explain the following terms: i. Analogous structures (ii)Comparative embryology
(Solved)
a) What is the meaning of the term organic evolution? (b) Explain the following terms: (i) Analogous structures (ii)Comparative embryology
Date posted:
October 8, 2017
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Answers (1)
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What causes the following diseases? (i) Diabetes mellitus. (ii) Diabetes inspidus
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What causes the following diseases? (i) Diabetes mellitus. (ii) Diabetes insipidus
Date posted:
October 8, 2017
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Answers (1)
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Name animal organs that are rich in (a) Lysosomes (b) Golgi body
(Solved)
Name animal organs that are rich in (a) Lysosomes (b) Golgi body
Date posted:
October 8, 2017
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Answers (1)
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(a) Name two components of blood that is not present in the glomerular filtrate (b) Explain why they are not present in glomerular filtrate.
(Solved)
(a) Name two components of blood that is not present in the glomerular filtrate (b) Explain why they are not present in glomerular filtrate
Date posted:
October 8, 2017
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Answers (1)
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(a) Differentiate between hypogeal and epigeal germination. (b) State two causes of dormancy in seed
(Solved)
(a) Differentiate between hypogeal and epigeal germination. (b) State two causes of dormancy in seed
Date posted:
October 8, 2017
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Answers (1)