Ans.
White blood cells or WBCs are immune blood cells, responsible for protecting the body against cancer cells, foreign invaders and infectious diseases. These cells include monocytes, lymphocytes, and natural killer cells.
If an individual is able to fight with infectious agents and can protect the body from diseases, it indicates that the WBCs of his body are functioning properly. Individuals with a normal functioning immune cells are called as immunocompetents.
Purple Coneflower
Scientific Classification:
Echinacea purpurea
General Classification:
Purple Coneflower
An enzyme is a kind of catalyst. Hope this helps:-)
Answer: Parallelogram
Explanation: The four shapes that meet the requirements of a parallelogram are square, rectangle, rhombus, and rhomboid.