Help me with this health unit

Cardiovascular endurance-Cardiovascular endurance is the ability of your heart and lungs to fuel your body with oxygen

flexibility training-Flexibility is the range of motion in a joint or group of joints or the ability to move joints effectively through a complete range of motion. Flexibility training includes stretching exercises to lengthen the muscles and may include activities like yoga or Tai Chi.

core trianing-Core training is simply performing specific exercises to strengthen the muscles of your core. In general, your core is all of the muscles of your midsection. ... Some examples of core muscles are the rectus abdominis (the six pack), the internal and external obliques, the transverse abdominis and the erector spinae.

repetitions in exercise-A repetition (rep) is one completion of an exercise, such as one deadlift, one bench press, or one arm curl.

sets in exercise-Completing several reps of a specific exercise in a row

circuit training-Circuit training is a form of body conditioning that involves endurance training, resistance training, high-intensity aerobics, and exercises performed in a circuit, similar to High-intensity interval training. It targets strength building and muscular endurance

interval training-training in which an athlete alternates between two activities, typically requiring different rates of speed, degrees of effort, etc.

Maybe meditation,stress relievers,try to have quite time try to get school done on time and try to go to bed earlier