The answer would be a. fee-for-service plan. It is a kind of payment in where the services are being paid separately. It does give an incentive for the doctors to give treatments since the payment would vary on the quantity not on the quality of care.
Communication barriers can be physical disabilities such as hearing problems or speach problems but it can also be the lack of interest, attention differences in viewpoint etc.
It's more accurate, especially since heart rate is almost universally measures in beats-per-minute, than, say, timing your pulse for a [factor of 60] seconds (30 seconds, 20 seconds, 15 seconds, 12 seconds, etc.).
Answer:
The endocrine, nervous, and muscular systems work together and maintain temperature homeostasis. Insulin, a hormone released from the pancreas, works with the digestive system and maintains energy homeostasis.
