Question

Your sister has always been an avid swimmer, sometimes swimming as much as 6 miles/week. When the pools closed due to COVID 19, she creatively found a neighbor’s lap pool that was not being used. What is more, it was heated! She was in exercise heaven – few places to be and a pool within walking distance! One day as you watched her leave for her daily swim, you asked some important physiological

Questions:

1. What effects would swimming have on the lymphatic system?

2. What happens to cardiac output during the swim?

3. Which hormones would dominate during her swim and what effects would they have on the heart? Digestion? Kidney? Nutrient distribution?

4. After an hour of swimming, is she likely to be dehydrated or overhydrated?

5. Why does she always head directly to the bathroom after a swim?

6. What might happen to her metabolic rate?

Answer 1

Answer 1

The force of the water over the body exert a notable increase in hydrostatic pressure that creates movement of lymph.During the movement of muscles, the movement of lymph causes lymph drainage.

Answer 2

The cardiac out put due to swimming is enhanced hoti a limited level.

Answer 3

The physical exercises like swimming increased yeh levels of cortisol, An increased in cortisol for longer period (months and years) is associated with accumulation of triglyceride and lipids in blood vessels.

But during swimming the increased intensity of exercise infact increases fatty acid metabolism.

Answer 4

The warm temperature, high humidity and increased physical activity is associated with dehydration.

Answer 5

Shower with soap after swimming helps to remove bacteria form the skin and prevents infection.

Answer 6

The process of swimming includes movement of body in water. Mire pressure is applied to move. The metabolism is increased during swimming.