We consider them to be made of 3 quarks, 'uud' for the proton<span> and 'udd' for the</span>neutron<span> where 'u' is the up quark and 'd' the down quark. ... Now, </span>protons and neutrons<span> are basically found at the atomic nucleus while </span>electrons<span> form the shell of the atom, moving around the nucleus.</span>
Answer:
The atmosphere
Explanation:
Most of the air travels through the atmosphere tho very little travels through the ocean from air vents, or scuba diver oxygen tanks.
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Through blood vessels or the lymphatic system.
What is endometriosis ?
Endometriosis is a condition in which endometrium, the tissue that normally lines the interior of your uterus, grows outside of your uterus. It is a painful condition. The tissue lining your pelvic, fallopian tubes, and ovaries are all frequently affected by endometriosis.
During menstruation, some of the tissue "reverse menstruates," or backs up via the fallopian tubes into the abdomen, where it attaches and develops.
To learn more about menstruation click on the link below:
brainly.com/question/1860203
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Answer:
In the anatomical position, the umbilicus and knees are on the: anterior body surface.
