Susan’s parents noticed she is often tired and stressed after her many planned activities. they decided to drop all but one and allow susan to select activities and toys of her own choice. this is an example of play.

free play.

Explanation:

Free play occurs when a child performs an activity in which he is having fun but is not directed by rules, impositions, learning goals or as a stimulus for a particular intent (playing with finger painting for sensory stimulation, for example). The child is left free to explore the moment, in the environment in which he is and at his own time, pace and conditions to create the play he wants according to his creativity and will. Only what he needs is imagination , and from this their worlds and games are created, everything becomes possible with this fuel.

When Susan's parents allowed her to choose the activity and toys she wanted to use, they allowed her to participate in Free play.

answerbps;

answer(b) keep oxygenated and deoxygenated blood separate;