Side the lungs are sac-like objects called a. pleura b. bronchioles c. alveoli d. mediastinum

i think the correct answer is b) humans who reduce their calorie intake by at least 25 percent on a long-term basis will live longer than they would have they not done so. i hope i you out

1. h

2.a

3. i

4. d

5. b

6.f

7.g

8.e

9.c

i hope that this is