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