The correct answer is B. digestive system.
The digestive system is responsible for breaking down food into simpler substances that the body can absorb and use for energy, growth, and cellular repair.
A.
excretory system.
B.
digestive system.
C.
circulatory system.
D.
respiratory system
1 answer
The correct answer is B. digestive system.
The digestive system is responsible for breaking down food into simpler substances that the body can absorb and use for energy, growth, and cellular repair.