Usually not considered to be a stakeholder of an organization are the customers. Because they do not support the organization they only avail the products and services it gives. A stakeholder is someone or groups who supports the organization that cease to exist.
Answer. Form of exercise.
Explanation: Tennis is a good exercise and good for interacting with others. Also can be for all ages
A hormone (A hormone that is released in response to stress that speeds up the heart rate, and can increase blood pressure). I hope that helps you :)
I'm going to say B because the other answers just don't seem to make sense.
Lymph vessels are more like valves than veins. They prevent back flow, so things only need to go in one direction, unlike other areas of heavy traffic. Let me know if you need more. :)