About This Chapter
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Anyone who needs help learning or mastering college human anatomy and physiology material will benefit from taking this course. There is no faster or easier way to learn college human anatomy and physiology. Among those who would benefit are:
- Students who have fallen behind in understanding cell membranes and transport
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- 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 basic anatomy and cell biology
- 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 Basic Anatomy and Cell Biology 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.
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- Get Extra Support: Ask our subject-matter experts any basic anatomy or cell biology question. They're here to help!
- Study with Flexibility: Watch videos on any web-ready device.
Students will review:
In this chapter, you'll learn the answers to questions including:
- How are phospholipids bilayers both attracted to and repelled by water?
- What is the fluid mosaic model of the cell membrane?
- How does active and passive transport occur in cells?
- What are the different layers found in human skin?
- How is epithelial tissue structured?
- What are the different planes found in the human body?
1. How a Phospholipid Bilayer Is Both Hydrophobic and Hydrophilic
In this lesson, we will learn what gives phospholipids a dual personality. How can this molecule be both hydrophobic and hydrophilic, and why is this important to a cell?
2. The Fluid Mosaic Model of the Cell Membrane
In this lesson, we will discuss the components of the cell membrane and why the fluid mosaic model paints the best picture of its structure. We'll learn about the roles of the phospholipid bilayer, cholesterol, proteins and carbohydrates.
3. Passive Transport in Cells: Simple and Facilitated Diffusion & Osmosis
A cell membrane is selectively permeable - not permeable to everything. In this lesson, we'll talk about methods of passive transport along a concentration gradient, including simple and facilitated diffusion and osmosis.
4. Active Transport in Cells: Definition & Examples
In this lesson, we'll learn how substances are transported across the cell membrane against the concentration gradient. This might seem like an uphill battle for the cell, but all it takes is a little chemical energy and a few integral membrane proteins to kick off some active transport!
5. Extracellular Matrix: Function, Components & Definition
This lesson describes the structure and function of the extracellular matrix, which fills the space between the cells of your tissues. A quiz at the end of the lesson will evaluate what you've learned.
6. Endocytosis and Exocytosis Across the Cell Membrane
In this lesson, we'll discover how some cells can eat, drink, and digest their dinner through the process of endocytosis and a structure called the lysosome. In addition, we'll learn how a cell can throw out the leftovers across the cell membrane during exocytosis.
7. Multicellular Organisms, Tissues and Epithelium
In this lesson on multicellular organisms, you'll take a look at what it actually means to be multicellular and how cells are organized into tissues, organs, and organ systems. This lesson also covers one of the four main tissue types: epithelial tissue.
8. Human Skin: Layers, Function & Structure
This lesson will cover the three main layers of your skin, which includes the epidermis, dermis, and subcutis. In addition, we'll learn about other skin cells and tissue, such as adipose tissue, keratinocytes, melanocytes, and Merkel's cells.
9. What Is Epithelial Tissue? - Function, Types & Structure
This lesson will cover the different shapes and structures of epithelial tissue, including simple, columnar, cuboidal, stratified, transitional, squamous, and pseudostratified columnar epithelium.
10. Anatomical Directional Terminology: Anterior, Posterior and More
Find out how to properly refer to the location of things at the front and back of a person as well as above or below a certain point on the body by learning the terms anterior, posterior, superior, and inferior.
11. Anatomical Directional Terminology: Limbs, Hands & Feet
In this lesson, you'll learn how we term the different sides of our feet and hands thanks to words like dorsal, plantar and palmar. You'll also learn how we name something that is near or far away from the trunk of our body thanks to words like proximal and distal.
12. Anatomical Directional Terminology: Lateral, Medial & More
Learn what it means to be on the same side as something else or on a different side altogether. In addition, find out what it means to be closer to or farther away from the middle of something as we explore the following terms: lateral, medial, ipsilateral, and contralateral.
13. Planes of the Human Body: Definition, Anatomy & Diagram
Learn about the different ways in which your body can be divided or cut up for theoretical and practical purposes as we explore the sagittal plane, transverse plane and coronal plane.
14. What Are the Organ Systems of the Human Body?
In this lesson, you'll learn about the 11 organ systems, which are made of multiple organs that work together to keep the human body functioning. Using easy-to-understand descriptions and illustrations, we'll explore the circulatory, respiratory and digestive, systems, among other types, after which you'll have the chance to take a brief quiz and see how well you understood the material.
15. Alveolar vs. Tubular Glands: Definition, Shapes & Examples
In this lesson, we will explore what a gland is and the function that it performs. We'll also look at the many varied shapes that the tubular and alveolar structures take.
16. Prealbumin: Definition & Normal Range
In this lesson you will learn about prealbumin and you will be able to determine if the amount present in a patient is normal. At the end of the lesson you can check your understanding with a quiz.
17. Prosthetic Group: Definition & Overview
This lesson explains what a prosthetic group is, what it does and how it relates to cellular components. It also delves into a few examples of prosthetic groups.
18. Renal Medulla: Definition & Function
The interior of your kidney is where all the action happens. In the renal medulla, your kidney gets to work filtering blood and balancing your body's fluids, a process that eventually leads to the release of urine. In this lesson, you'll learn about the different parts of the renal medulla and how they work.
19. Robert Hooke: Biography, Facts, Cell Theory & Contributions
In this lesson, you'll learn about the feud between Robert Hooke and Sir Isaac Newton, and discover the great legacy that Robert Hooke left behind even though no one remembers his name.
20. Thermoregulation: Definition & Disorders
What is thermoregulation? What happens when the body loses its ability to regulate temperature properly? Read this lesson to learn the answers to these questions and more.
21. Thorax: Definition and Anatomy
The thorax is a structure found in humans, but it is not unique to humans- it exists in all mammals and arthropods. In this lesson you will learn what the thorax is and where it is located in the human body.
22. What Are Tissues? - Types & Explanation
Learn about the different tissues that are found in humans and plants. This lesson summarizes the four tissue types in humans and the three tissue systems of plants.
23. Dorsal Root Ganglion: Function & Definition
All along our spinal cord, we have specialized nerves that send and receive messages to and from various parts of our body. There are particular nerve cell clusters called dorsal root ganglia that are present in the root of these spinal nerves. In this lesson, we'll discuss the function and definition of a dorsal root ganglion.
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Other chapters within the Human Anatomy & Physiology: Help and Review course
- Inorganic Chemistry in Anatomy and Physiology: Help and Review
- Organic Molecules in Anatomy and Physiology: Help and Review
- Biochemistry in Anatomy and Physiology: Help and Review
- Respiratory System: Help and Review
- Cardiovascular System: Help and Review
- Blood Vessels: Help and Review
- Digestive System: Help and Review
- Urinary System: Help and Review
- Endocrine System: Help and Review
- The Brain: Help and Review
- The Nervous System at the Cellular Level: Help and Review
- The Five Senses: Help and Review
- Muscular System: Help and Review
- Gross Anatomy of Muscular System: Help and Review
- Connective Tissue: Help and Review
- Skeletal System: Help and Review
- Anatomy and Physiology of Male and Female Reproductive Systems: Help and Review
- Early Development to Childbirth: Help and Review