The answer to this question is that it is the capillaries that transfer
waste-filled blood from tissues into the pulmonary circulation.
Capillaries are very small blood vessels that form a network across the
body, and carry blood away from our tissues and back out towards our
pulmonary circulation.
Keeping tabs on your exercise and eating habits can drastically change your lifestyle and for the better. When you have a journal you feel more motivated and in the end, you will not only eat healthier and exercise more often/vigorously, but you feel better.
So basically it keeps you motivated because you keep all of your physical data in one place.
Tiny sacs within the lungs
Answer:
Your answer will be The 3rd One! C.
Explanation:
