I am a part of brain. I am the site of mental abilities and memory. Who am I ?

I am an alkaloid. I am present in root. I am used in the treatment of snake bite. Who am I ?

I am like a policeman. Who am I____?

I am a part of blood. I am responsible for blood coagulation. Who am I?

I am the part of central nervous system. I am the centre for reflex arcs. Who am I ?

I am a part of brain. I am triangular shaped. I extend from pons to spinal cord. I control vasomotor activities of our body. Who am I ?

Who am I? I am the base of food chain

I am the excretory organ, present in flatworms. Who am I ?

I am the outer most layer of an animal cell. Who am I?

I am a part of the brain. I am located below the cerebrum and above medulla oblongate. I coordinate voluntary movements initiated by cerebrum. Who am I ?

I am a phytohormone. I am helpful in reducing waterloss in plants. Who am I ?