Answer:
Cells are organized into tissues, which are organized into organs, which are organized into organ systems.
Explanation:
It best described as Changing, through life
for Example :
The older we are, the less we need caloric intake because we do a lot less physical activity
But when we're old our need for fiber intake will increase because we can't digest our food like our younger days
I think the anwser is letter b
Answer:
the benefits to physical activity is that you can exercise and get your blood moving
Explanation:
translate into spanish