1.Which level of organization does the complete skeleton of a mouse belong to?

A.cell
B. a tissue
C.an organ
D.an organ system
2. The structures that an animal uses to exchange gases with its surroundings make up the...
A. digestive system
B. respiratory system
C. excretory system
D. circulatory system
3. The inputs for cellular respiration are...
A. nutrients and carbon dioxide
B.energy and carbon dioxide
C. nutrients and oxygen
D. energy and oxygen
4. The outputs of cellular respiration are...
A. nutrients and carbon dioxide
B.energy and carbon dioxide
C. nutrients and oxygen
D. energy and oxygen
5. In animals, which of the following body systems delivers nutrients and oxygen to cells?
A. digestive system
B. respiratory system
C. excretory system
D. circulatory system

1.D

2.B
3.B
4.B
5.C
6.B
7.D

Psydag is a wanna be of ms sue ;)

YEET. Like if you this comment if you can't understand mah number language:

-\!-!3 4/\/$35$ 5 !@@ % (@53-\
Okay nvm. YEET.
1. D
2. B
3 B
4 B
5. C
6. B
7. D
The final score is 7/7 (100%)
You're welcome. YEET

hate the teacher's pet bro

@Ding-a-ling-juice's answers are 100% correct

UwU

The science practice answers are

1.D
2.B
3.B
4.B
5.C
6.B
7.D
I now they are so much B but I got 100% believe me or not but true remember 100% yes to 100%

The right answers are

D
B
B
B
C
B
D
This will guarantee 100%

That is so true person2

thanks though :)

;-; uh huh yea sure ;-; (btw Ding-a-ling-juice's is 100% right)