General Science Resources: Free Web Resources

These tutorials were developed to provide a logical sequence for learning about the heart and circulation.

Click on images to learn the names of the various arteries in the body.

Provides an anatomical diagram of the heart and has a moving image of how blood moves through the heart.

Includes animations of heart circulation, an EKG, an electrocardiogram, and a heart sounds graph.

Diagrams, videos, quizzes and additional websites for cat dissection.

Quiz yourself on cat muscles.

Place the abdominal organs in their correct locations.

Shows what happens to eye motion when particular muscles or cranial nerves are not functioning.

Origins, actions, insertions, innervations, and animations of movements

For each muscle, it provides an image that highlights the muscle and provides information on origin, insertion, action, and innervation. Muscles are listed in alphabetical order or by region.

Depicts each muscle and gives information on origin, insertion, action, and innervation.

Slideshow with questions.

This animated activity examines muscle cell contraction, relaxation, and the role of calcium ions.

This interactive site helps you learn the names and locations of major superficial muscles.

G2Conline focuses on cognitive disorders, cognitive processes, and research approaches. Use the 3D brain model to learn its basic structure.

Learn about the functions and deficits associated with brain structures and test yourself on brain functions.

An overview of the brain by the National Institute of Neurological Disorders and Stroke (NINDS)

Label the nerves by dragging and dropping the names on the corresponding section.

Has anterior and posterior views for the upper and lower extremities showing areas innervated by particular nerves.

Click on drawings to learn the names, spinal cord segment(s), and muscular innervation(s) of individual nerves.

One section provides "cut-away views of the front, side and top of the entire male body." The other section labels anatomic objects in the male chest area.

View plain film, CT, MRI, GI contrast, sonogram, and angiogram images by region.

Images for cross-sections of the following regions: head & neck, upper limb, thorax, abdomen, pelvis, and lower limb. Includes male and female thorax and pelvis cross-sections.

Includes plain film, CT, and MRI images. Click on the image for anatomical labels.

Includes CT, MRI, and labeled and unlabeled cross-sectional images.

View normal and abnormal CT, MRI, and PET images.

Provides quizzes on the names of bones and landmarks.

Interactive skeletal anatomy of human and non-human primates.

Shows an image of the cross-section of a typical bone and provides anatomical information. Labels a skeletal diagram and lists bone names along with their common names. Clicking on a bone name provides the Latin origin and meaning for the name.

Click on "Spine: Normal Anatomy" to see moving images of the spine and learn about its anatomy and physiology.

Interactive maps of the human skull using JavaScript.

Take quizzes on the skull parts and landmarks.

Includes images and information on epithelial, muscle, connective, nerve, and blood tissues.

Provides diagrams and information on the hand’s bone and joint structure, ligament structure, muscle arrangement, and nerve distribution.

Illustrates and describes anatomical components of the shoulder joint.

E-book by Dr. Henry Jakubowski of College of St. Benedict, St. John’s University.

Biochemistry resources from the University of Arizona.

Online textbook provided by the University of California Davis.

Free organic chemistry video lectures from Academic Earth.

Structure search builder, named chemicals search, and compounds search.

Interactive exercises allow you to examine cell structures, see the stages of mitosis, and learn about the immune system, cell structure and function, and microbes.

Following an overview, this website provides annotated animations on membranes, diffusion/osmosis, passive transport, and active transport.

This detailed animation includes audio and subtitles.

In this activity, you must match bases to make two new DNA strands, match DNA and RNA bases to make a mRNA strand, and match tRNA anticodons to mRNA codons. Requires Adobe Shockwave to run properly.

Provides detailed, annotated animations on protein synthesis.

Includes MRI and optical images of the embryo in Carnegie stages 13-23.

"The Visible Embryo is a visual guide through fetal development from fertilization through pregnancy to birth."

Genetics education resources from the National Library of Medicine.

Educational materials on genetics, bioscience and health topics from the University of Utah's Genetic Science Learning Center.

Department of Health and Human Services online tool for creating a printable family health history.

Generate alien offspring, explore the database of traits, and quiz yourself on trait frequency.

Breed peas and quiz yourself on trait frequency.

Click on the Tutorial button for explanations on how to solve the problems.

Immune System

Includes drag-and-drop quizzes on the components of the specific and nonspecific host defense system.

Includes videos of macrophage phagocytosis, how bacteria swim, how bacteria divide and grow, and HIV replication.

Covers bacteriophages, bacterial motility, streptococcus, and parasites. Includes a quiz on microbes.

Includes "over 1,500 light microscopy images and electron microscopy images (colorized and black & white)" of bacteria, viruses, protozoa, fungi, and other organisms.

Describes and animates the life cycle of the malaria parasite.

Includes animations, chapter overviews, and practice quizzes.

Includes animations of normal phagocytosis by a macrophage, a macrophage being infected by yersinia pestis, and a macrophage being infected by mycobacterium tuberculosis.

Gallery of photomicrographs.

Includes links for animations on the e. coli infection mechanism, viral infection, herpes infection, and more.

Clips show the penetration of blood cells by a parasite and the sticky bumps that help infected blood cells stick to artery walls. Also includes a clip of gene targeting of infected blood cells.

Created by the U.S. National Library of Medicine, this collection of links is organized by topics such as treatment, research, anatomy/physiology, and diagnosis/symptoms.

Includes links to relevant organizations and fact sheets and information on spasticity, myoclonus, and syringomyelia.

See the section entitled "Hot Topics!" for information on the condition, complications, and rehabilitation.

Part of the University of Alabama at Birmingham, this network provides a wide range of information and statistics on spinal cord injuries.

Includes information on the condition, treatment, recovery, and more. Also includes an encyclopedia of terms and topics related to the heart and stroke.

Use the Disorder Quick Links feature to find information on stroke, Alzheimer’s Disease, cerebral palsy, autism, and more.

Find online videos and information about the condition, treatment, rehabilitation, recovery, and more.

Includes information, abstracts, articles and publications for patients, caregivers, and professionals.

Created by the U.S. National Library of Medicine, this collection of links is organized by topics such as treatment, diagnosis/symptoms, rehabilitation/recovery, research, and anatomy/physiology.

Along with links to relevant organizations, this page created by the National Institute of Neurological Disorders and Stroke information on treatment, prognosis, clinical trails, and shaken baby syndrome.

Under the heading "Research," the section entitled "Brain Injury" includes flash movies that help make the concepts clearer. Within the section entitled "Brain Injury," numerous articles cover such topics as anatomy, anoxia, sexuality, statistics, vision, pharmacology, communication disorders, and concussions.

This online book by a clinical neuropsychologist is primarily aimed at patients and their families. It covers such topics as seizures, how the brain is hurt, understanding how the brain works, emotional stages of recovery, and coping with common problems.

The National Science Foundation lists recent earth science discoveries.

Browse earth and space science images. This service is provided by the American Geological Institute (AGI).

National Aeronautics and Space Administration science website.

Earth science research news.

U.S. Geological Survey natural hazards support system maps and information on current natural hazard events.

Country profiles provide an instant guide to history, politics and economic background of countries and territories, and background on key institutions. Also includes audio and video clips from BBC archives.

Information for students, educators, and GIS users.

Infoplease country profiles alphabetically by country.

Infoplease world information page covering various topics relating to countries and regions.

Country profiles and other information on regions and nations of the world from the State Department.