I believe it is C,
senioritis is a internal factor and not an external one.
Take medication that helps from your doctor
There’s a lot more to energy balance than a change in body weight.
Energy balance also has to do with what’s going on in your cells. When you’re in a positive energy balance (more in than out) and when you’re in a negative energy balance (more out than in), everything from your metabolism, to your hormonal balance, to your mood is impacted.
The relationship between the amount of Calories we eat in the diet and the amount of energy we use in the body determines our body weight and overall health.
The body is highly adaptable to a variety of energy intakes/outputs. It must be adaptable in order to survive. Therefore, mechanisms are in place to ensure stable energy transfer regardless of whether energy imbalances exist.
The tricuspid valve is situated between the right atrium and right ventricle.
The pulmonary valve is between the right ventricle and the pulmonary artery. The mitral valve is between the left atrium and left ventricle.
