So i'm doing some test stuff and im kind of sucky at science sooo
can someone help me?

Question 1
The excretory system lets go of wastes in the body.
A. True
B. False

Question 2
The endocrine system includes organs such as the:
A. Stomach and intestines.
B. Arms and legs.
C. Spinal cord
D. Bones and muscle

Question 3

The digestive system usually involves breaking down food in order for a body to use it as an energy source. (im pretty sure i know this one...)
A. True
B. False

Question 4
Which body system has a main focus on the heart, blood and veins?
A. Skeletal
B. Urinary
C. Circulatory
D. Nervous
Question 5
Which body system deals mainly with the lungs?
A. Respiratory
B. Circulatory
C. Excretory
D. Skeletal
thats all