Learning words for toddlers is difficult because they have yet to learn how to move their “lips, tongue, and jaw” to make speech sounds.
A. Would be the answer I chose.
It said one of the following WORKOUT CHANGES, so I'm assuming that it doesn't want you to just stop. Different shoes may provide better support, bringing relief to the knees and allowing you to continue your walking workout.
From the inside or lumen, through the gut wall into the blood
