Answer:
All the arteries except pulmonary artery carry pure blood..it is so because blood flows with a high pressure and speed And because Arteries are situated deeper under the skin have thick-walled with Narrow lumen(cavity) and pulmonary artery carries deoxygenated blood i.e without oxygen..
Explanation:
lumen means Empty space within an object(solid)
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<span>the young of a viviparous animal, especially of a mammal, in the early stages of development within the womb, in humans up to the end of the second month.
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The answer should be A. Active transport
Answer:
Answer is C.
Explanation:
Electrophoresis describes the movement of particles in a gel, influenced by an electric charge.
It is use to separate DNA particles based on their charge and size. Some of its types are native or buffer gels, gradient gels among others.
The big ban occurred at the beginning of the year the first second[437 . 5 years per second] of January , the solar system and life at September.
