Answer:
The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. ... Electromagnets are also employed in industry for picking up and moving heavy iron objects such as scrap iron and steel
Explanation: will you mark me plz?
Answer:
....exercise causes moderate-intensity heart rates <em>to beat faster</em> and blood pressures <em>to rise</em> at the same workloads from pre- to posttesting
Explanation:
There has been a relationship between <em>physical activity and excercise like running, rope skipping, squash playing and the heart rates and also the blood pressures in the body</em>.
The heart beat at a normal rythmn rate but when someone is engage in exercise, it leads to a drastic <em>increase in the rythmn rate to a higher degree</em>. As the rythmn increasess, there is a corressponding<em> increase in the</em> <em>blood pressure circulation</em> (rise) within the heart region.
Once the physical activity has ended, the heart rates and blood pressure returns gradually to a normal level.
I hope this helps
It is the Tendon
