Hey there! Here is your answer: Horseshoe crab is considered living fossils because they have existed unchanged for about 445 million years. They are usually not crab; they are not closely related to lobsters or crab. ... Horseshoe crab looks is almost the same with their ancient relatives despite the fact that they have been around for so long. I hope this helped! Your fellow Brainly user, GalaxyGamingKitty. (THE FOLLOWING INFORMATION HAS BEEN USED FROM GOOGLE)
Finger
contusion can be characterized by bruising of finger, where there is swelling
and bleeding under the skin but no broken bones.
1. Diagnosis and Management:-
Contusion of finger is diagnosed by the symptoms such as pain, swelling,
discoloration, tenderness and difficulty in movement. Sometimes numbness is
associated as swelling compresses the nerves in that region.X-ray (If required
CT scan0 can be done to confirm the diagnosis and rule out fractures and other
serious forms of injuries.
Depending upon the severity,
treatment is decided. The contusion is managed with an aim to reduce pain,
swelling and restore the movement. The options so as to treat the contusion,
based on its severity are as follows
a. Applying Icepacks and
keeping the finger propped up above the heart level.
b. Splinting and taping
c. Physiotherapy
d. Ultrasound therapy
e. Surgical treatment is
required in case of torn ligaments.
These options of treatment
are accompanied with over the counter pain killers and anti inflammatory drugs
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23 points naisu anyways remember to post the qn lol
<u>Answer:</u>
<em>A feedback mechanism for maintaining homeostasis.</em>
<u>Explanation:</u>
In science term, Homeostasis is defined as a mechanism by virtue of which animal or plant cells will try to maintain the equilibrium state in the internal environment using<em> feedback mechanism</em> within the system.
It is also very important to maintain a <em>good communication</em> between the internal organs to maintain the internal environment. A proper functioning body whose needs are met is generally observed in the <em>process of homeostasis.</em>