This blog will teach you the difference between a positive and negative feedback loop. This is part of the endocrine system that you need to understand for your L3 Anatomy and Physiology Exam.
- Why FITPROs find the endocrine system hard to revise
- A 3 mins Video Tutorial explaining the difference between a positive and negative feedback loop?
- Three Example Mock Question about the endocrine system
- How to learn with simplicity for the rest of the modules in your L3 Anatomy Exam
Why FITPROs find the Endocrine system hard to revise
The Endocrine system is notoriously claimed to be one of the hardest modules within the Level 3 Anatomy and Physiology syllabus, so you are not alone if you find this area difficult to understand.
Unlike other areas of anatomy (like muscles), we never get to see our hormones in action, which makes it feel theoretical. It may also feel like this is less directly related to training clients as a FitPro.
Although you might not actually be quoting the hormones and endocrine glands with your clients, the knowledge of this is foundational and absolutely crucial in order to understand the foundations of our human anatomy.
A 3 mins Video Tutorial explaining the difference between a positive and negative feedback loop?
What is the difference between a positive and negative feedback loop?
Hormones are responsible for a lot of changes that occur in the body. They secreted from our endocrine glands, which are controlled by our nervous system.
The main role of hormones and our endocrine system is to maintain homeostasis.
If the nervous system identifies that there are changes in the body that is not homeostasis, it will stimulate a change in either a positive or negative feedback loop
A Negative feedback loop is the most common – this occurs when there is a change in the body (i.e. blood glucose increases), the nervous system detects the change and stimulates an anti-dote hormonal response.
This reverses the effect back to homeostasis, and gives you a negative feedback loop.
A Positive Feedback loop is less common, this is when a change starts, the nervous system recognizes the change and then stimulates more hormones to accelerate the change.
Test your knowledge with today’s Endocrine System questions:
[NOTE: The answers are below the 3rd questions]
1. Which hormone is secreted to reduce blood glucose levels?
2. What name is given to an accelerated hormonal response in the endocrine system?
B. Positive Feedback Loop
C. Negative Feedback Loop
3. What is the primary role of the endocrine system?
A. To interpret sensory information
B. To send messages that create motor movement
C. To provide structure and shape to the body
D. To maintain homeostasis
What’s the CORRECT answer?
Answers to the mock questions are :
Question 1= A, Question 2 = B, Question 3 = D
If you want more mock questions like this, then you can download more Free Mock Questions: DOWNLOAD NOW
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