If you ran in place for 20 minutes and stop every 5 mins then your heart rate will be in your target zone
Answer: Immune system
Explanation:
The immune system is a set of structures and biological processes that protect the body against diseases. In order to function properly, the immune system must detect an immense variety of agents, from viruses to parasites, and distinguish them from healthy body tissue.It protects the body from infections through stratified defense mechanisms with progressive specificity. The physical barriers (like skin, membranes) prevent pathogens from entering.
theres tons work out videos, to tone your legs, i reccomend the ones from lilly sabri, because they worked for me.
you also need to change your diet, because a diet is just as important working out.
intermittent fasting works the best for me, if you're just starting intermittent fasting the 14/10 schedule would be best for you :)
as for growing your legs, theres nothing you can do to make them longer unnaturally. it has to do with genetics, you cant grow them longer unfortunately. (Iol i wish u could tho)