Answer:
Explanition:
The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow.
Answer:
Answer: A.) A good deed can inspire long-lasting gratitude.
Explanation:
A mitochondria converts glucose to energy
