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Ch 29: The Nervous, Immune, and Endocrine Systems: Help and Review

About This Chapter

The Nervous, Immune and Endocrine Systems chapter of this High School Biology Help and Review course is the simplest way to master these human systems. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn about the nervous, immune and endocrine systems.

Who's it for?

Anyone who needs help learning or mastering high school biology material will benefit from taking this course. There is no faster or easier way to learn biology. Among those who would benefit are:

  • Students who have fallen behind in understanding the nervous, immune and endocrine systems
  • 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, immune and endocrine systems
  • 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, immune and endocrine systems 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, immune and endocrine systems chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any question about the nervous, immune and endocrine systems. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

This chapter helps students review the concepts in a nervous, immune and endocrine systems unit of a standard high school biology course. Topics covered include:

  • Function and structure of the brain
  • Human nervous systems
  • Immunity and pathogens
  • Neuron function and structure
  • Regulation of hormones and temperature in humans

22 Lessons in Chapter 29: The Nervous, Immune, and Endocrine Systems: Help and Review
Homeostasis and Temperature Regulation in Humans

1. Homeostasis and Temperature Regulation in Humans

Do you wonder how your body is able to maintain a consistent temperature? Have you ever questioned why you get goosebumps when you're cold? This lesson will introduce you to homeostasis and answer your questions about body temperature regulation and reactions, like goosebumps.

Homeostasis of Glucose Levels: Hormonal Control and Diabetes

2. Homeostasis of Glucose Levels: Hormonal Control and Diabetes

In this lesson, we'll look at how the body uses hormones to maintain homeostasis of blood glucose levels, what happens in people who have diabetes, and how diabetics can manage their disease.

Functions of the Nervous System

3. Functions of the Nervous System

In this lesson, we'll watch Timmy as he plays in his backyard. Watch what happens when he tries to catch a butterfly, hears a mean dog bark, and scrapes his knee. All of Timmy's reactions are tied to his nervous system. For a full explanation of what goes on in the human nervous system, check out the video!

The Structure and Function of Neurons

4. The Structure and Function of Neurons

In this video lesson, you'll learn about neurons, which are specialized cells in the nervous system. Check out how far neurons can send signals throughout the body and how depolarization is much like 'the wave' at a football game.

The Central and Peripheral Nervous Systems

5. The Central and Peripheral Nervous Systems

Did you know that hammerhead sharks and platypuses share a special type of sensory neuron that humans and most other animals don't have? In this lesson, you'll find out what that sensory neuron and a whole lot of others can do. You'll also learn how the nervous system is organized and the differences between the central and peripheral nervous systems.

The Sympathetic and Parasympathetic Nervous Systems

6. The Sympathetic and Parasympathetic Nervous Systems

In this lesson, you'll learn about two subdivisions of the autonomic nervous system - the sympathetic and parasympathetic nervous systems. Watch as a hiker, Phil, runs away from a terrifying bear and see how these systems react to the impending danger!

Brain Structures and Functions Part I

7. Brain Structures and Functions Part I

The brain's complexity can often be difficult to understand because it serves so many important functions. In this lesson, you'll get a little help from Nrr, the alien biologist, who will guide you through understanding the structure and functions of the human brain.

The Cerebral Cortex: Brain Structures and Functions Part II

8. The Cerebral Cortex: Brain Structures and Functions Part II

Check out this video lesson to learn about the four lobes of the human brain - the frontal, parietal, occipital and temporal. You'll learn about the functions and processes of each region.

Innate Immunity: Inflammation, Neutrophils & Natural Killer Cells

9. Innate Immunity: Inflammation, Neutrophils & Natural Killer Cells

You might already know how your body handles known infectious agents but how about unknown? Watch this video to explore your innate immune system - your body's defense against new bacteria and viruses.

Acquired Immunity: T Cells, B Cells and Antibodies

10. Acquired Immunity: T Cells, B Cells and Antibodies

Have you ever wondered why some people don't ever seem to get sick? These people likely have an acquired immunity. Learn more about the immune system and how exposure to an illness one time can help your body to prevent that illness from ever occurring again.

Antibiotics and Vaccines

11. Antibiotics and Vaccines

Do you know why children must get regularly vaccinated? Have you ever wondered how an antibiotic works and why they are so widely prescribed? If so, this lesson will help you to understand how changes in medicine have almost eliminated several deadly diseases and added decades to the average person's lifespan.

Pathogens: Antibiotic Resistance and Virulence

12. Pathogens: Antibiotic Resistance and Virulence

Find out more about how the overuse of antibiotics could lead to some serious problems with epidemics or untreatable diseases in the future. You can also discover some of the things that make pathogens harmful and why pathogens don't cause disease in every species they infect.

Central Nervous System: Definition, Function & Parts

13. Central Nervous System: Definition, Function & Parts

The body is divided into many systems. In this lesson, you will learn about the parts that make up the nervous system and their functions to gain a better understanding of this critical system.

Antibiotic Resistant Bacteria: Evolution & Examples

14. Antibiotic Resistant Bacteria: Evolution & Examples

Learn about antibiotic resistant bacteria and how they evolved. We will look at some examples of antibiotic resistant bacteria that currently exist. A short quiz will follow in order for you to test your knowledge.

Iris: Definition & Function

15. Iris: Definition & Function

The iris of the human eye is unique in each individual. What makes it unique? What is it made of? What does it do? Learn the answer to those questions here.

What is Optic Nerve Hypoplasia?

16. What is Optic Nerve Hypoplasia?

You might know that the optic nerve connects your eye to your brain, so what happens to your vision when your optic nerve is underdeveloped? Read this lesson to learn about optic nerve hypoplasia.

What Is CSF? - Definition, Function, Pressure & Analysis

17. What Is CSF? - Definition, Function, Pressure & Analysis

Cerebrospinal fluid (CSF) is a clear, colorless fluid that bathes, nourishes, and protects the brain and spinal cord. Imagine the brain as an object in a snow globe; floating freely in the clear fluid (minus the snowflakes). In this lesson we will discuss how CSF is produced, its function, the normal contents and pressure, and how it is analyzed to provide clues to disease.

What Is Epinephrine? - Definition, Uses & Side Effects

18. What Is Epinephrine? - Definition, Uses & Side Effects

Epinephrine is commonly known as adrenaline. Your body naturally produces it during times of stress, but it can also be used in medical situations to treat various conditions. Read this lesson to learn about its uses and potential side effects.

What Is Gait? - Definition, Types, Analysis & Abnormalities

19. What Is Gait? - Definition, Types, Analysis & Abnormalities

By the end of this lesson, students will be better able to define what gait is and how gait is analyzed by medical professionals. They'll also be able to describe four different types of abnormal gait and link gait abnormalities to physiologic dysfunction.

What Is Hemiplegia? - Definition, Symptoms & Treatment

20. What Is Hemiplegia? - Definition, Symptoms & Treatment

Hemiplegia is a condition where half of the body is paralyzed due to damage to the parts of the brain responsible for movement. Complete this lesson to learn more about hemiplegia, its symptoms, and the possible treatment options.

What Is Lymphedema? - Symptoms, Causes & Treatment

21. What Is Lymphedema? - Symptoms, Causes & Treatment

This lesson will cover the symptoms, causes, and treatment of lymphedema (lim-fi-dee-ma). We'll explore the signs of lymphedema, how it develops, and ways this condition can be treated.

Frontal Sinus Trephination: Definition & Purpose

22. Frontal Sinus Trephination: Definition & Purpose

In this lesson we will explore what a frontal sinus trephination surgery is, why it is used, how it can offer relief to those suffering from severe sinusitis, as well as what a sinus is and its purpose within the body.

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Other Chapters

Other chapters within the High School Biology: Help and Review course

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