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.
Gene—>DNA—>Chromosome
Gene: a section of DNA
Chromosome: combination of sections of DNA
Answer:
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Explanation:
There are countless types of cells in the body, but here are the main ones.
stem cells- cells that develop into specific organs and tissues.
Blood cells-
•red- transport oxygen to cells
•white- immune system
•platelets- help stop bleeding
Fat cells- stores excess energy.
Skin cells- connective tissue to protect inside of body.
Nerve cells- for the nervous system to transmit signals to the body.
Sex cells/gametes- to reproduce.
Male-sperm
Female- ovum
