Answer:
The lymphatic system works with the cardiovascular system to return body fluids to the blood. The lymph, the clear liquid found in the lymphatic system, is moved along in the lymph vessels by the squeezing action of smooth muscles and skeletal muscles.
D.) exercise burnout.
When you exercise too much, it becomes unhealthy and pointless.
Nutrient-dense foods are foods that are very healthy and you can typically eat more of these foods than calorie-dense foods. Calories give energy, whereas nutrients give you other things your body needs to survive such as protein, iron, etc. Some calorie-dense foods are extremely healthy, and some calorie-dense foods, like meat, is very unhealthy. Spinach, which is very healthy, is very nutrient-dense because it is made up of 49% protein. Steak, which is unhealthy, is very calorie-dense and fattening. Not all calorie-dense foods are unhealthy or healthy, because not all calories are created equal.
Answer:
The answer is A) Sigmund Freud
Answer:
physical activity required energy. But exercise is planned. Exercise also needs extra energy.
Explanation:
