The disease caused by the protozoan Trypanosoma cruzi is: MCQ with Answer and Explanation

Explanation:
The liver is the body's largest internal organ, performing metabolism, detoxification, bile production, and protein synthesis. The gall bladder stores bile.

Explanation:
Amoebic dysentery (amoebiasis) is characterized by bloody, mucus-containing stools, caused by Entamoeba histolytica, transmitted through contaminated food/water. Malaria is Plasmodium, sleeping sickness Trypanosoma, leishmaniasis Leishmania.

Explanation:
A reflex arc is the neural pathway that controls a reflex action. It typically involves: a receptor (detects stimulus), a sensory neuron (carries impulse to CNS), an interneuron (in the spinal cord), a motor neuron (carries impulse away from CNS), and an effector organ (muscle or gland that responds). The motor neuron is responsible for the final output.