Question

Help.. One of the main jobs of the excretory system is to remove carbon

dioxide from the body.
a. true
b. false
17 Answer:
The trachea is protected by rings of cartilage.
a. true
b. false
18 Answer:
The bronchus is also called the windpipe.
a. true
b. false
19 Answer:
Urine passes out of the body through a tube called the ureter.
a. true
b. false
20 Answer:
The diaphragm is a dome-shaped muscle that aids in breathing.
a. true
b. false

Answer 1

16 .B- it's the respiratory system

17.true- from the human anatomy

18. A- true

19.A

20. A.