The most complicated part of the brain is the
a. thalamus.
b. cerebellum.
c. cerebrum.
d. brain stem.

I think the best answer among the choices given is option C. The most complicated part of the brain is the cerebrum. It is the largest part of the brain which consists of many parts including the cerebral cortex, subcortical structures, hippocampus and olfactory bulb.

An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.

To kill bacteria from our body especially from stomach