About This Chapter
Who's It For?
Anyone who needs help learning or mastering nervous system material will benefit from the lessons in this chapter. There is no faster or easier way to learn about the nervous system and the body. Among those who would benefit are:
- Students who have fallen behind in understanding the involuntary behaviors and functions controlled by the nervous system
- Students who struggle with learning disabilities or learning differences, including autism and ADHD
- Students who prefer multiple ways of learning science (visual or auditory)
- Students who have missed class time and need to catch up
- Students who need an efficient way to learn about the nervous system and the body
- Students who struggle to understand their teachers
- Students who attend schools without extra science learning resources
How It Works:
- Find videos in our course that cover what you need to learn or review.
- Press play and watch the video lesson.
- Refer to the video transcripts to reinforce your learning.
- Test your understanding of each lesson with short quizzes.
- Verify you're ready by completing the Nervous System and the Body chapter exam.
Why It Works:
- Study Efficiently: Skip what you know, review what you don't.
- Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
- Be Ready on Test Day: Use the Nervous System and the Body chapter exam to be prepared.
- Get Extra Support: Ask our subject-matter experts any nervous system question. They're here to help!
- Study With Flexibility: Watch videos on any web-ready device.
Students Will Review:
This chapter helps students review the nervous system concepts covered in a standard science course. Topics covered include:
- Functions of the vagus nerve
- Proprioceptors in the skeletal muscles and tendons
- The stomach's autonomic nervous system controls
- Steps in the nervous system's positive and negative feedback loops
- Effects of aging on the reflexes and sensation
1. Cranial Nerves: The Vagus Nerve and its Functionality
Find out what the vagus nerve (cranial nerve X) does in your body. While perhaps not as impressive, you'll also find out what the accessory nerve (cranial nerve XI) does and why it is important to the vagus nerve.
2. Sensory Nerves and Receptors of Muscles and Tendons
Your body is able to sense its position in the environment. This is critical for movement, playing basketball, or even sitting still. Find out what this means as we explore proprioceptors, muscle spindles, and tendon organs.
3. Anatomy and Physiology of the Stomach and Autonomic Nervous System Controls
In this lesson, you will learn how the unique anatomy of the stomach - including rugae, gastric pits and gastric glands - makes it a perfect organ for digestion. You will also learn how the autonomic nervous system controls digestion.
4. Positive and Negative Feedback in the Sympathetic and Parasympathetic Nervous System
In this lesson, you'll study positive and negative feedback in the sympathetic and parasympathetic nervous systems. You'll also learn why we have a fight or flight instinct and how it works.
5. How Age Affects Our Autonomic Nervous System: Changes & Examples
In this lesson, we will look at the autonomic nervous system. We'll focus on areas such as reflex and sensations, expanding our understanding of how these change over time.
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