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Q How is the circulatory system of birds characterized?
Like every vertebrate, Birds, have a closed circulatory system. The heart is similar to the mammalian heart, having four chambers (two atria and two ventricles) and with no mixture of arterial and venous blood, in mammals, however, the aorta curves down to the left and in birds it curves down to the right.
a) Produce annotated diagrams that illustrate how nerve impulses travel i) along a neurone ii) across a synapse.
A knotted network of capillaries within a nephron, the glomerulus, receives arterial blood and is porous enough to allow much of the fluid portion of the blood to flow out of it al
ENTROP Y - Transfer of energy takes place from high energy level to low energy level. Rudol f clausius gave this term. During it there is collision of particles, r
What is arterial switch operation explain briefly? Arterial Switch Operation: Switching the Great arteries to restore the normal Ventriculoarterial connections. The coronary
Enumerate the Failures in adaptation Failures in adaptation, such as poor school performance or unsatisfactory peer relationships are usually problems that bring children to th
Explain the Flow Phase of Stress Response? This is a neuro-endocrine response to physiological stress following the ebb phase. This phase is characterized by: Normal or
Humans have selectively bred many radically different domestic animals(e.g., St. Bernard and Chihuahua dog breeds). Does this activity result in evolution? why or why not?
Define Precautions for Preparation of Phosphate Buffers? 1. Glass electrodes should always be dried before and after measuring pH with a tissue paper. 2. The pipettes should
A)Which of the following statements about DNA structure is true? 1.The nucleic acid strands in a DNA molecule are oriented ant parallel to each other, meaning they run in opposite
Q. How Time affecting taste quality? Time- Time is another factor which affects sensation. Salt on tongue is sensed in a fraction of a second; whereas, bitter things may requir
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