I believe, for the artery, they have, an open, circular lumen an a thick media
Veins on the other hand, have somewhat collapsed lumen and a thinner media. Arteries are blood vessels that carry blood out of the heart to other parts of the body, all arteries carry oxygenated blood except the pulmonary artery which carries deoxygenated blood from the heart to the lungs. Veins carry blood from other body parts to the heart, all veins carry deoxygenated blood except the pulmonary vein which caries oxygenated blood from the lungs to the heart.
Electromagnetic waves diffract around the cell phones antenna
Answer:
Expertise in 1 area
Explanation:
If you had a general knowledge of literally everything, that is great for mastering school. But, you are not going to school your whole life. You need college, work, and so on. When in college, it isn't like school, you can only choose 1 subject. Thus, it is good to expertise in 1 area.
I hope this helps you :)
47 chromosomes instead of 46 because there are 3 chromosomes in pair 21. This is called Down syndrome, described most recently by Lejune in 1958
