Answer:
anaerobic respiration takes place when you demand your muscles to do vigorous work. normally, aerobic respiration takes place but when energy is needed immediately, anaerobic respiration takes place. during anaerobic respiration,the body produces lactic acid, which leads to the burning sensation. your lungs deliver oxygen to the muscles much slower than the rate you need, since you're putting your muscles through an extensive exercise, and this leads to muscle fatigue.
The factor that is responsible for the phenomenon of the blood group B being almost absent in Native Americans whose ancestors arrived in very small numbers about 10,000 years ago would be called the 'founder effect'.
Active muscles demand huge amounts of oxygen, and the circulatory system works hard to provide it. Blood carries oxygen to the muscles. When the body is at rest, blood carries nutrients to the muscles so that they can repair and rebuild themselves. Blood also carries away the waste products that hard-working muscles produce, back out through the lungs to be filtered.
so they Circulatory system xx muscular system :)
One on one training is the form of training which considers the special
needs of individual food handlers.
<h3>What is Training?</h3>
Training involves teaching individuals different practices about a certain
topic to ensure smooth execution of tasks.
Individuals have different needs which is why a One on one training is
necessary to ensure that adequate teachings are given in order to tackle
their special needs.
Read more about Training here brainly.com/question/17508016
<span>geographic isolation.....</span>
