Jack has a condition where mucus builds up in his lungs. This makes it more difficult for gas exchange to take place. Which two organ systems are primarily affected by this? A. Nervous and musculoskeletal
B. Respiratory and reproductive
C. Circulatory and respiratory
D. Circulatory and digestive
Please help <3 thx

 C         Btw quick tip this should go in health catagory

Explanation: the extra mucus that builds up in the trachea slows down breathing rates making it hard to breathe. It also slows down heart rates without the normal air you need he will feel weak and be mainly affected by his lungs and heart. If it gets to bad the heart will have to little air and have a mass carbon build up causing death.  Pls give me brainliest :D

they have sperm in my gf's mouth

explanation:

true is the