Answer:
It has special items in the substance that are specialized for whitening and preventing things such as cavities.
Explanation:
Considering answers;
-fever
-constricted veins
-swollen veins
-confusion
Answer;
Swollen veins
Swollen veins might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the heart.
Explanation;
Valves are structures that are found in the circulatory system both in the heart and the veins.
They function to prevent the back flow of blood.
They do so by ensuring the continuous flow of blood in one direction.
If the valves are not functioning properly it may lead to various effects such as swollen veins due to the back flow of blood which may lead to the pooling of blood in the extremities.
Answer:
specialization. please follow me I'm new here
The appropriate response is Smooth muscles. Smooth muscle is found in the dividers of empty organs like your digestion tracts and stomach. They work naturally without you monitoring them. Smooth muscles are associated with many 'housekeeping' elements of the body. The strong dividers of your digestive organs contract to push nourishment through your body.
<span>The endosymbiotic theory deals with the origins of mitochondria and chloroplasts, two eukaryotic organelles that have bacteria characteristics. Mitochondria and chloroplasts are believed to have developed from symbiotic bacteria, specifically alpha-proteobacteria and cyanobacteria, respectively.</span>
