Answer:
a
Explanation:
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Poor blood circulation will likely reduce the contraction power of a person's myosin.
<span>Myosins are motor proteins and they play a major role in muscle contraction and in a wide range of other motility processes in eukaryotes.
They depend on the ATP and are also responsible for actin-based motility.
</span>They are also used to produce <span>mechanical energy that is </span>used in various body<span> functions such as muscle movement and contraction.</span>
The hormone calcitonin is controlled by a negative feedback mechanism because it's release leads to the decrease of calcium blood levels.
<h3>What is negative feedback mechanism?</h3>
A negative feedback mechanism is the defined as a type of regulatory mechanism in the body where by the increased output of a system leads to a decrease of another system.
Therefore, the release of the hormone calcitonin (increased level of calcitonin in the blood) will lead to decrease in blood levels of calcium.
Learn more about hormones here:
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Answer:
Invasive species are among the leading threats to native wildlife. Approximately 42 percent of threatened or endangered species are at risk due to invasive species. These species were brout from other countries and they cause problems in these other countries or continents. Like the bees in america were not native and neither werer the cattle in the western hemisphere.
Explanation:
Its clear that posterior chest stays outside of lungs hence the lungs muscles are involved.
- There are different sounds occur in our body
- When we tap on lunds tissue low pitched, hollow sounds are heard .
- When we tap on bones flat or extremely dull sounds areheard .
- When we tap over heart dull or thudlike sounds are normally heard
