Answer:
Higher levels of organization are built from lower levels. Therefore, molecules combine to form cells, cells combine to form tissues, tissues combine to form organs, organs combine to form organ systems, and organ systems combine to form organisms.
Explanation:
The answer is true
Endurance training can improve athletic ability, and improve sustainability over long periods of time. (Aerobic workouts involve oxygen, necessary in many physical activities).
Patient Rehabilitation and Individual treatment
Proteins are the nutritional class which builds and maintains cells and tissues. The type are often called "structural" since they are like the scaffolding of cells and tissues.