Answer:
Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of their ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species
Explanation:
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Answer:-
In reaction to the smell, sight, or thought of food, the first hormonal response is that of salivation ( starts making saliva ) The salivary glands secrete more saliva in response to the stimulus presented by food in preparation for digestion. Simultaneously, the stomach begins to produce hydrocholoric acid to digest the food
The salivary glands are glands inside a person's mouth and throat that produce the watery and mucous-containing fluid known as saliva. Saliva is constantly released into our mouth to keep it lubricated and to help us chew and swallow food. There are three pairs of salivary glands: sublingual, parotid and submaxillary
and for the end the main digestive enzymes in your body are : -
1- Amylase, produced in the mouth. It helps break down large starch molecules into smaller sugar molecules.
2- Pepsin, produced in the stomach. Pepsin helps break down proteins into amino acids.
3- Trypsin, produced in the pancreas. Trypsin also breaks down proteins
4- Pancreatic lipase, produced in the pancreas. It is used to break apart fats.
5- Deoxyribonuclease and ribonuclease, produced in the pancreas. They are enzymes that break bonds in nucleic acids like DNA and RNA
Hemophilia is an inherited bleeding disorder where clotting factors are either absent or present in low amounts. As a result, the blood doesn't clot. It is an X-linked recessive trait that is inherited.
<h3>What is X- linked recessive genetic illness?</h3>
Genetic abnormalities known as -X-linked recessive genetic illnesses are brought on by an atypical gene on the X chromosome. "Carriers" for a disease are females who have the disease gene on one of their X chromosomes. The fact that carrier females have a second copy of the gene to make up for the copy with the disease-causing alteration or mutation usually prevents them from showing symptoms of the ailment.
A male has one X chromosome, thus if he gets an X chromosome that carries a gene that causes a disease, the condition will manifest in him. Male X-linked If the other X chromosome from their mother is healthy, all of their daughters will carry the illness gene.
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<span>The lymphatic system is used for immunologic response and interstitial fluid collection. If the lymph node is removed, the lymphatic system around it would be disrupted. This will cause localized swelling after the surgery. The immune system around it could be impaired too.
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Because the moon is rotating on its own axis and orbiting around the earth at the same time.