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Chapter 7: Problem 3

The brain is responsible for (a) thinking. (b) regulating the heart beat. (c) balancing the body. (d) all of the above.

Short Answer

Expert verified
(d) all of the above.

Step by step solution

01

Read the Question

Carefully read the question to understand what it is asking about the brain's functions.
02

Identify Key Words

Look for key words in the question such as 'thinking', 'regulating the heart beat', and 'balancing the body'.
03

Recall Brain Functions

Recall that the brain has multiple functions including thinking (cognition), regulating the heart beat (via the autonomic nervous system), and balancing the body (coordination and balance).
04

Evaluate Each Option

Option (a) is correct because the brain is responsible for thinking. Option (b) is correct because the brain regulates the heart beat. Option (c) is also correct because the brain is responsible for balancing the body.
05

Select the Best Answer

Since options (a), (b), and (c) are all correct, the best answer is option (d) 'all of the above'.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Cognition
Cognition is one of the brain's most important functions. It involves processes like:
  • Thinking
  • Learning
  • Memory
  • Problem-solving
  • Decision-making
These processes help us understand and navigate the world. When you think or learn something new, your brain is working through cognitive functions. This involves the cerebral cortex, which is the outer layer of the brain.
If you’ve ever solved a puzzle or remembered something from the past, you’ve used your cognitive abilities.
Autonomic Nervous System
The autonomic nervous system (ANS) is a part of the brain that works automatically. This means it controls things that happen without you having to think about them.
  • Regulating heartbeat
  • Controlling breathing
  • Managing digestion
  • Adjusting blood flow
The ANS has two main parts: the sympathetic and parasympathetic nervous systems.
The sympathetic system speeds things up (like your heartbeat when you’re excited or scared), while the parasympathetic system slows things down (like your heartbeat when you’re calm and relaxed).
Even when you're asleep, the ANS keeps your vital functions running smoothly.
Coordination and Balance
Coordination and balance are crucial for all our movements. They help us stay upright, walk straight, and perform complex activities like sports.
  • Balancing the body
  • Coordinating movements
  • Maintaining posture
These functions are managed by the cerebellum, a part of the brain located at the back of your head.
When you ride a bike, dance, or even just stand still, your cerebellum works to ensure your body remains balanced and coordinated.
Good coordination and balance rely on signals from different parts of the body, including the inner ear, eyes, and muscles, all processed by the cerebellum.
Practicing activities that challenge your balance, like yoga or martial arts, can help improve these brain functions.

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