In Humans, involuntary actions including blood pressure, salivation and vomiting are controlled by the ____ in the ____.
Show answer & explanation
Correct answer: A
Explanation
Correct Answer:
Option 1: Medulla, Hindbrain
Explanation:
Different parts of the human brain control different bodily functions.
Involuntary Actions: Actions that occur automatically, without our will, such as blood pressure, salivation, and vomiting.
Medulla Oblongata: This is the part of the brain that is the center of these life-saving involuntary actions.
Hindbrain: The medulla is a major part of the hindbrain (it also includes the pons and cerebellum).
Additional Facts (Other Parts of the Brain):
The functions of other parts of the brain are also often asked about in exams:
Cerebrum: This is part of the forebrain. It controls intelligence, reasoning, memory, and voluntary actions (such as raising an arm).
Cerebellum: This is also part of the hindbrain. Its main function is to maintain body balance and control precise body movements.
Hypothalamus: It regulates hunger, thirst, and body temperature.
Possible questions for upcoming exams:
Question: Which part of the brain is responsible for maintaining body balance?
Answer: Cerebellum.
Question: What is the main center that controls breathing and heart rate?
Answer: Medulla.
Question: What controls 'reflex arcs,' or sudden actions?
Answer: Spinal Cord.