Answer:
Varicose veins can best be described as veins cannot prevent the backflow of blood.
Explanation:
Varicose veins are a manifestation of venous insufficiency or peripheral vascular insufficiency.
Veins are blood vessels that, unlike arteries, are not able to contract, so they depend on gravity, muscle contractions and a system of valves to be able to carry blood to the heart.
<u>When the venous valves do not work, the blood is not transported properly, backflow occurs and is retained, producing dilation of the vein walls, which is characteristic of varicose veins</u>. In this case, veins cannot prevent the backflow of blood.
The other options are not correct because:
- <em>Varicose veins do not lose their ability to transport blood.
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- <em>Veins cannot be used to transport blood from the heart.
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- <em>Failure to adequately transport waste to the heart does not apply in this case.</em>
its consiterd a disease because it can have a risk of heart attacks and it can cause your body not to function right meaning no more getting up to do things and no more seeing the sun or the birds unless you have a weel chair and its consitered a disease because you are mostlikly to die a couple years ater unless you change your way and loses weight.
i hope this helps
Mechanoreceptors
Mechanoreceptors are sensory receptors that respond to physical formations of membrane generated by touch, stretch, pressure, motion and sound. The mechanoreceptors in the cochlea of the inner ear are the most sensitive in the human body. The mechanosensory stereocilia vibrates when sound waves pass the cochlear fluid and transduce sound into nervous signal.
Low self-esteem is how you feel about yourself, feelings of low self-esteem include: feeling bad about yourself more than you feel good. lack of self-respect, low confidence
