It depends if you would like to swim faster or correct your technique.
Yoga for technique, excersise for speed.
Swimming
Exercise of any kind benefits leg strength. If you have issues with your knees, biking or swimming is better than walking or running. You can also use yoga or pilates exercises.
Yoga, Jogging, Swimming, Aerobics, Bike
The cat stretch or the Cobra.
No, yoga is considered an anaerobic exercise
Yes.
I have a cold and I'm planning to go to the gym today. Apparently a little light exercise wont hurt at all, especially if it's just a cold. If it's a respiratory problem or if you have a fever, then it's better to rest and avoid swimming and intesnse exercise, but try relaxing exercise such as yoga or stretching instead.
Yes. Yoga does count as a floor exercise. There are many types of yoga and floor exercises. Examples are yoga, gymnastics, stuntnastics, flexibility exercises, and many more.
Yoga
The recommended guidelines for exercise is to stay active, go for walks whenever you have the chance, Its good to do aerobic exercise, swimming, ride the bike, jog, flexibility exercise by stretching, gymnastics, yoga, pushups, sit ups, recreational activities, like volleyball, basketball…etc
There are a TON of ways to exercise. There is walking, running, jogging, biking, bowling, golfing, swimming, Burpees, jumping jacks, yoga, weights, etc.
While forms of exercise are beneficial. The Pilates Method will provide a better sense of core & stability.