CK-12 Foundation
Ck 12: Life Science: Human Egg Cells
[Free Registration/Login may be required to access all resource tools.] When a baby girl is born, her ovaries contain all of the eggs they will ever produce. But these eggs are not fully developed. They develop only after she starts...
Science Buddies
Science Buddies: Does a Cell Phone Conversation Affect Reaction Time?
Does talking on a cell phone make one a more dangerous driver? Here is an experiment you can do to investigate whether reaction time is adversely affected by a simultaneous phone conversation.
National Institutes of Health
National Institutes of Health: Potential Uses of Human Stem Cells
Stem cell therapy holds a great deal of promise, but years of intensive research are needed to develop their full potential. This informative site looks at the possibilities and challenges related to the potential uses of stem cells.
Khan Academy
Khan Academy: Introduction to Development
How does an organism go from a single cell to something as complex as a frog, fly, or human being? Learn the basic principles of development.
Khan Academy
Khan Academy: Human Embryogenesis
Explains what happens during embryogenesis, the first eight weeks of pregnancy.
CK-12 Foundation
Ck 12: Life Science: 11.69 Egg Cells
Understand the egg cells, and how they develop into a human being.
BBC
Bbc: Gcse Bitesize: Mitosis and Cell Specialisation
This lesson focuses on cloning. Plants can make identical copies of themselves by asexual reproduction, for example by tubers and runners. Humans have been cloning plants for years and have recently started to develop techniques to clone...
Science Buddies
Science Buddies: Are Your Eyes Playing Tricks on You?
Yogi Berra said "You can observe a lot by just watching." In this human biology science fair project, you will observe how your eyes perceive color by watching afterimages. Afterimages are what you see after staring at an object for...
OpenStax
Open Stax: Anatomy & Physiology: Adaptive Immune Response: T Lymphocytes
With these learning exercises, students explain the advantages of the human adaptive immune response over the innate immune response including the types of T cells, development, and their functions.
OpenStax
Open Stax: Anatomy & Physiology: The Immune Response Against Pathogens
Students learn about the development of immunological competence, and find out about the human body's immune response.
Open Curriculum
Open Curriculum: The Skeletal System
After studying this article, students will be able to identify the functions and structure of bones, types of bones, bone development, parts of bones, types of joints, and bone disorders.
CK-12 Foundation
Ck 12: Life Science: Fertilization
[Free Registration/Login may be required to access all resource tools.] The sperm and egg don't look anything like a human baby. After they come together, they will develop into a human being. How does a single cell become a complex...
Science Buddies
Science Buddies: Computational Exploration of Protein Function
The DNA in our cells contains our "blueprints," but it's the proteins in our cells that do most of the work. The Human Genome Project has allowed us to start reading the blueprints, but we still don't understand what most of the proteins...
Khan Academy
Khan Academy: Egg Meets Sperm
Although it is happening every hour of every day, all over the world, the story of egg meeting sperm is still a tale worth telling. Millions of candidates set off on a long and perilous journey with a single target at the end, and if the...
National Cancer Institute at the National Institutes of Health
Seer Training Modules: Introduction to the Reproductive System
Self-guided learning activity where students learn about the structure and function of the male and female reproductive systems. There is a short quiz at the end of the lesson to check for understanding.
The Association of the British Pharmaceutical Industry
Abpi: Biotechnology
Students read through a complete, interactive lesson on biotechnology. An activity at the end allows students to research and present arguments for or against statements about the ethics of gene therapy and gene manipulation.