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ed2go Math and Science Mathematics and Science Human Anatomy and Physiology II
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Human Anatomy and Physiology II

In this course, we'll cover some more advanced topics that we didn't have time for in Human Anatomy and Physiology I. We'll start with basic histology—the study of the different tissues in the body. From there, we'll move on to a discussion of the different senses. We'll also delve into the important topic of cellular metabolism—the chemical reactions that occur in cells.

Then we'll turn our focus to the human life span. You'll also discover ways to slow down the aging process. By the end of this course, you'll have an even greater appreciation of the complexity and wonder of the human body!

6 Weeks / 24 Course Hrs
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Starting April 17 | May 15

Human Anatomy and Physiology II


Details + Objectives

Course Code: hp2

What You Will Learn
  • Learn about the structure and function of epithelial, connective, nervous, and muscular tissue
  • Study how your brain receives and processes information from your skin, joints, muscles, and special balance organs in your ears
  • Learn about the organs that receive sensations of sight, sound, taste, and smell and how the brain makes sense of them
  • Find out about the major types of chemical reactions and see why food, oxygen, and water are essential
  • Learn about classes of chemicals called acids, bases, and salts, and their significance in the body
  • Understand the life span including fertilization, pregnancy, childbirth, and significant events that occur from infancy through old age
How the course is taught
  • Instructor-led course
  • 6 weeks in duration
  • Courses begin each month
  • 2 lessons released each week
  • 24 course hours
How you will benefit
  • Gain an even greater appreciation and understanding of the human body
  • Be well-prepared to continue your education with courses like Introduction to Biology
  • Discover a new passion or career path


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Week 1

Learn about the four major types of tissues—epithelial, connective, muscle, and nervous tissue. We'll go over their major characteristics, how they're named, their functions, and where they're located. You’ll even discover some hints on identifying specific tissues with a microscope. Then, explore the topic of sensation as you learn about the sensations of touch, pressure, temperature, and pain. You'll discover the differences between free nerve endings, Merkel disks, Meissner corpuscles, root hair plexuses, and Pacinian corpuscles. We'll also talk about sensory adaptation and referred pain, and you'll learn where in the brain messages from sensory receptors end up. 

Week 2

Learn about sensory receptors (muscle spindles, Golgi tendon organs, and joint proprioceptors) that tell your brain how much tension is in your muscles and the position of your body parts. You'll also study the structures of the vestibular system and learn how they contribute to both static and dynamic equilibrium. Then, learn about the composition of the eyes, including their three coverings and the structures inside the eyeballs. We'll talk about special sensory receptors called rod and cones, and how information they receive is sent to the brain and analyzed.

Week 3

Discover the physics of sound. You'll learn why sounds differ in pitch and loudness, and you'll find out about a quality of sound called color. We'll also talk about the different structures that make up the outer ear, middle ear, and inner ear. Then, learn about the structures that respond to chemicals of smell and taste, and how the sensations of smell and taste are perceived in the brain. We’ll also talk about disorders of both of these senses.

Week 4

In this lesson, we'll go over the fascinating topic of cellular metabolism—the chemical reactions that occur in your body’s cells. You’ll also learn about the capture and storage of energy, the role of enzymes in metabolic pathways, and disorders of cellular metabolism. Then, we'll continue our study of important chemicals in the human body. 

Week 5

Learn about the roles both men and women play in the creation of the zygote—the very first cell that starts a new human life. We’ll then follow that new creature through the amazing changes that occur during pregnancy. Then, learn about pregnancy from the mother's point of view. We'll start with a discussion about the placenta, and then we'll talk about the way pregnancy affects the mother's different organ systems. We'll also discuss the events of childbirth and what a mother experiences during the postpartum period. 

Week 6

Focus on the neonatal period, infancy, and childhood. You’ll learn about changes in the first four weeks after birth, and we'll move on to a discussion of reflexes and brain maturation during the first year and significant changes that occur during childhood. Finally, we'll go over puberty, adulthood, and old age. You'll learn how hormones work during puberty and what physical changes occur during that time. We'll also discuss changes that occur during young adulthood and middle age and spend some time on menopause. We'll end this lesson with a discussion of ways to slow down the aging process. 

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Instructors & Support

Holly Trimble

Holly Trimble earned a bachelor's degree in physical therapy from the University of Colorado, a master's degree in pediatric physical therapy from Boston University, and a master's degree in biology from the University of Nebraska at Kearney. After working as a physical therapist for many years, Trimble transitioned into teaching. She has lectured on health-related topics to all age groups and works as an adjunct instructor of anatomy and physiology. She received an Adjunct Faculty Excellence Award and is the author of “College Success Now!”




There are no prerequisites to take this course.


Hardware Requirements: 

  • This course can be taken on either a PC or Mac device.

Software Requirements: 

  • PC: Windows XP or later.
  • Mac: OS X Snow Leopard 10.6 or later.
  • Browser: The latest version of Google Chrome or Mozilla Firefox are preferred. Microsoft Edge and Safari are also compatible.
  • Adobe Flash Player. Click here to download the Flash Player.
  • Adobe Acrobat Reader. Click here to download the Acrobat Reader.
  • Software must be installed and fully operational before the course begins.


  • Email capabilities and access to a personal email account.
Instructional Materials

The instructional materials required for this course are included in enrollment and will be available online.


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When can I get started?

A new session of each course opens each month, allowing you to enroll whenever your busy schedule permits.

How does it work?

Once a course session starts, two lessons will be released each week for the six-week duration of your course. You will have access to all previously released lessons until the course ends.

How long do I have to complete each lesson?

The interactive discussion area for each lesson automatically closes two weeks after each lesson is released, so you’re encouraged to complete each lesson within two weeks of its release.

What if I need an extension?

The final exam will be released on the same day as the last lesson. Once the final exam has been released, you will have two weeks plus 10 days (24 days total) to complete the final and finish any remaining lessons in your course. No further extensions can be provided beyond these 10 days.

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