water!
Yes.
because you are not physically moving
exerciseing more often
hospital... go directly to hospital.
As you exercise, the muscles need more oxygen to work. The heart beats faster to get the oxygenated blood from the lungs to the muscles. The harder you exercise, the more oxygen the muscles need, the faster the heart beats.
You can do any excercising during a period. Exerciseing actually helps with cramps!
No, there shouldn't be an apostrophe in "horses" as it is a plural noun. The sentence is correct as "the horses stalls are clean."
Horses occasionally need treatment for dental problems, particularly older horses. This is done by the regular vet.
Stuffed animal horses, plastic toy horses, horse statues and stuffed dead horses. All other horses that are alive and breathing definitely need water and food.
In the process of lawmaking and law-passing, the government exercises its legislative authority.
Frequently exercised horses need extra minerals and grain.
Two horses need about an acre to two acres each.