a)cardiac muscles.
Are myogenic thus are able to contract and relax rhythmically without fatigue.
Has stripped muscle fibers connected together with interconnected disks.
b)ventricles.
Have thicker walls that generate high pressure during blood pumping of the heart.
The inner walls of ventricles has irregular columns called trabeculae carneae that are muscular to facillitate pumping of blood.
c)Pericardium.
This usually a membrane.
Acts as shock absorber to the heart preventing it from mechanical damage.
It also helps in preserving constituents within the heart such as collagen and elastin.
franco crick answered the question on February 28, 2018 at 11:25
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(a) State three processes by which flowering plants excrete waste products and for each process name two waste products that are eliminated. (b) Describe the...
(Solved)
(a) State three processes by which flowering plants excrete waste products and for each process name two waste products that are eliminated.
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Date posted:
February 23, 2018
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Describe the nitrogen cycle
Date posted:
February 23, 2018
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(Solved)
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Date posted:
February 23, 2018
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i) State the role of these organs when the concentration...
(Solved)
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Date posted:
February 23, 2018
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Date posted:
February 23, 2018
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February 23, 2018
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(Solved)
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Date posted:
February 19, 2018
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Answers (1)
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(Solved)
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Date posted:
February 19, 2018
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February 19, 2018
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February 19, 2018
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February 19, 2018
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Date posted:
February 19, 2018
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February 19, 2018
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Date posted:
February 19, 2018
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(Solved)
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Date posted:
February 19, 2018
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Date posted:
February 19, 2018
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(Solved)
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Date posted:
February 19, 2018
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(Solved)
Distinguish between analogous and homologous structures
Date posted:
February 19, 2018
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Answers (1)
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(Solved)
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Date posted:
February 19, 2018
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Answers (1)
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(Solved)
Distinguish between hypertonic and hypotonic solutions.
Date posted:
February 19, 2018
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Answers (1)