Bone Growth
Bones
Skeletal System
[Figure 1] The skeletal system consists of all the bones of the body. How important are your bones? Try to imagine what you would look like without them. You would be a soft, wobbly pile of skin, muscles, and internal organs, so you might look something like a very large slug. Not that you would be able […]
Homeostasis
Human Body
Proteins
What you will learn What are proteins Levels of protein structure Important functions of proteins [Figure 1] You may have been told proteins are good for you. Do these look good to you? Proteins as food. To you, these may not look appetizing (or they might), but they do provide a nice supply of amino acids, […]
Carbohydrates
What you will learn The chemical structure and function of carbohydrates Examples of carbohydrates and where they are used Sugars used as biofuels [Figure 1] Sugar. Is it good for you? You may have heard that sugar is bad for you. Well, that’s not exactly true. When people say sugar is bad for you, they […]
Significance of Carbon
What you will learn The importance of carbon for life on Earth The basic structure and function of the four major types of organic compounds [Figure 1] Carbon. Element number six. Right in the middle of the first row of the Periodic Table. So what? Carbon is the most important element to life. Without this element, life as we […]
Evolution of Life
What you will learn Timeline of the history of life on Earth Darwin’s theory of evolution by natural selection Evidence to support the theory of evolution Misconceptions about evolution [Figure 1] Are dinosaurs evidence of past life forms? Evolution can be described as a change in species over time. Dinosaur fossils are significant evidence of evolution and of past life on Earth. Evolution of Life The diversity […]
Organization of Living Things
What you will learn Levels of organization of living things within an organism Levels of organization in the biosphere above the individual organism Diversity of life on Earth [Figure 1] What does ‘Organization of Living Things’ mean? We know it all starts with the cell. And for some species, it ends with the cell. But for others, the cells come together to […]
