CK-12 Foundation
Ck 12: Life Science: 2.6 Nucleus
Discover the structure and function of the nucleus of the cell.
CK-12 Foundation
Ck 12: Life Science: 2.23 Meiosis
Understand the process of meiosis to produce two sex cells, or gametes.
CK-12 Foundation
Ck 12: Life Science: Plant Reproduction and Life Cycle
[Free Registration/Login may be required to access all resource tools.] The life cycle of a plant is very different from the life cycle of an animal. Humans are made entirely of diploid cells (cells with two sets of chromosomes). Our...
CK-12 Foundation
Ck 12: Life Science: Prokaryotic and Eukaryotic Cells
[Free Registration/Login may be required to access all resource tools.] There are two basic types of cells, prokaryotic cells and eukaryotic cells. The main difference between eukaryotic and prokaryotic cells is that eukaryotic cells...
CK-12 Foundation
Ck 12: Life Science: Cell Membrane
[Free Registration/Login may be required to access all resource tools.] All cells have a barrier around them that separates them from the environment and from other cells. This barrier is called the plasma membrane, or cell membrane....
CK-12 Foundation
Ck 12: Life Science: 11.62 Humoral Response
Learn about the human body's immune response to pathogens.
CK-12 Foundation
Ck 12: Life Science: 1.8 Characteristics of Life
Discover the five characteristics that all living things have in common.
CK-12 Foundation
Ck 12: Life Science: 11.61 Inflammatory Response
Understand the human body's inflammatory responses.
CK-12 Foundation
Ck 12: Life Science: 11.26 Blood
Understand the physiological make-up of human blood.
CK-12 Foundation
Ck 12: Life Science: 11.1 Human Body
Explore the levels of organization in the human body.
CK-12 Foundation
Ck 12: Life Science: 2.22 Reproduction
Explore the different ways that animals and plants reproduce.
Children's Museum
The Children's Museum of Indianapolis: Cells the Living School
Students compare the parts of a cell and their functions to their school to understand how a cell's parts work in unison to be effective in the body.
CK-12 Foundation
Ck 12: Life Science: B and T Cell Response
[Free Registration/Login may be required to access all resource tools.] Some defenses, like your skin and mucous membranes, are not designed to ward off a specific pathogen. They are just general defenders against disease. Your body also...
CK-12 Foundation
Ck 12: Life Science: Cell Biology
[Free Registration/Login may be required to access all resource tools.] A cell is the smallest structural and functional unit of an organism. Learn more about cell biology in this learning module produced by CK-12.
Arizona State University
Arizona State University School of Life Sciences: Viral Attack
There are battles that are fought each day on the planet. The invading forces are those of viruses and bacteria. Left alone they would take over and destroy every cell! It is up to some key defense systems to battle and destroy these...
CK-12 Foundation
Ck 12: Life Science: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] DNA must replicate (copy) itself so that each resulting cell after mitosis and cell division has the same DNA as the parent cell. DNA replication occurs during the S...
CK-12 Foundation
Ck 12: Life Science: Producers
[Free Registration/Login may be required to access all resource tools.] Energy is the ability to do work. In organisms, this can be physical work, like walking or jumping, or it can be the work used to carry out the chemical processes in...
Wisc-Online
Wisc Online: A Typical Animal Cell
Colorful, interactive image of an animal cell provides solid definitions of cell parts as the learner scrolls over each portion of the image or parts list. A short quiz follows the initial image to assess the learner's knowledge of cell...
Wisc-Online
Wisc Online: Identifying Eukaryotic Animal Cell Organelles
This is a tutorial slideshow showing the internal structure of an animal eukaryotic cell. Each slide has excellent labeled drawings accompanied by descriptive text explaining the function of each part.
CK-12 Foundation
Ck 12: Life Science: Components of Blood
[Free Registration/Login may be required to access all resource tools.] Did you know that blood is a tissue? Blood is a fluid connective tissue that is made up of red blood cells, white blood cells, platelets, and plasma. Learn more...
CK-12 Foundation
Ck 12: Life Science: Active Transport
[Free Registration/Login may be required to access all resource tools.] During active transport, molecules move from an area of low concentration to an area of high concentration. This is the opposite of diffusion, and these molecules...
National Institutes of Health
National Institute of General Medical Sciences: Inside the Cell
Very good science e-book that details why cells are the fundamental unit of life and why our health depends on what happens within the many different cells that make up our body. Each chapter is presented separately and the book can also...
Khan Academy
Khan Academy: Phases of the Cell Cycle
Article explores the life cycle of a cell and delves into the phases of the cell cycle.
Georgia Department of Education
Ga Virtual Learning: Biology: The Study of Life
A learning module where students analyze the relationships between the structures and functions of cells, tissues, organs to carry out all of the requisite characteristics of life. They also describe the scope of biological study and...