Its best to use the formula that takes in consideration your resting heart rate as well as age vs the standard 220 - Age formula but I'd say what you are doing is pretty good for a workout.
Colloid is a heterogeneous mixture in which particle size is intermediate of true solution and suspension.Smoke from a fire is example of colloidal system in which tiny particles of solid float in air.olloid is a heterogeneous mixture in which particle size is intermediate of true solution and suspension.
colloid. (kÅl`oid) [Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and dispersed throughout a second substance. The mixture is also called a colloidal system, colloidal solution, or colloidal dispersion.