Answer:
Nadando.
Ciclismo.
Usando una bicicleta elíptica.
Caminando.
Remo.
Explanation:
For people who speak English
Swimming
Cycling.
Using an elliptical bike.
Walking.
Rowing.
Effector - interprets all data and any necessary action
senor - causes an action......
control center - monitors the body's condition
The last one sounds like a good choice
D)Sal should asses the risks, try to reduce them, and make the change
