the noise diaphragm and lungs are part of the _____ system

A. circulatory
B. excretory
C.nervous
D.respiratory

ms.sue is wrong i got a 26, heres the real answers

1: A
2:B
3:D
4:B
5:C
6:D
7:C
8:B
9:B
10:A
11:B
12:D
13:C
14:A
15:D

thank me later- march 14, 2018 health and physical lesson 4: heart, lungs, and nerves working together. unit 6: human body systems

Thank you

i forgot to put 6th grade

I give out connexus answers are correct 15/15 not ms. sue she is wrong

i give out connexus answers are correct 15/15 thank u

Thanks my daughter got them all right

Have you looked up the meanings of all four of those terms?

How does your text define each one?

ms.sue can you help please

What do the nose and the lungs do? Do they excrete waste? Doubt it. So you can eliminate B.

What do you think it is?