Elements that have atoms with full outer shells of electrons
Are inert
I am not entirely sure, but i think it would be the respiratory system because plants produce oxygen after taking in carbon dioxide, and that is similar to the human respiratory system. I am not completely sure though. hope this helps!
D-walls and doors would represent the cell membrane
Answer:
B) Digestion is the process of breaking down food into smaller molecules.
Explanation:
Number 1 tendon, which connects muscle to bone
Number 2 ligament connects joints
Number 3 cartilage which stop bones from grinding together
