Answer:
I think the best answer is b.
Answer:
D. Mri
Explanation: because a mri uses magnetic electro fields instead of a xray to view pictures of thee bodys anatomy and processes of the body.
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.
The Obvious Answer Is Maximum Heart Rate I Believe
Hope This Helps
