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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Cytoplasm keeps everything in place
Answer:
Explanation:
Student A because it requires a hypothesis
Genetically modified human isn't normal. The reason for this is that they are changing the original genetics of the human body. Even though genetically modified humans can have benefits, it also can have bad consequences.
