Answer:
hi!
Explanation:
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:
well ambroise pare made it back in the 16th century
Explanation:
The veins carry blood to the heart after being deprived of oxygen
Answer:
well you mixed two different types or colors of flowers
Explanation: