Prolonged and constant use of tobacco can weaken the user's immune
system and increase the risk of many diseases.. . Which of the following
diseases can makes the air sac in the lungs less elastic, reducing their ability to absorb oxygen?.
B.emphysema.
Drink more water and always carry an inhaler on you try not to participate in cardiac activities
True mostly because there all to busy with there kids and work to do anything
Answer:
1. The same as 2. nursing mother 3.pregnant females 4.greater than
Explanation:
that guys^ a goat he put the answer in the comments. im just a messanger :P
Gradually increasing duration and intensity of activity is formally referred to as progression.
Hoped I helped!