The integumentary system is the set of organs forming the outermost layer of your body, in other words: your skin! And it protects your soft and squishy interior from damage by external dirt, pathogens, and trauma.The immune system fights infection caused by pathogens, like bacteria and viruses.The endocrine system produces hormones that regulate metabolism, growth and development, tissue function, sexual reproduction, sleep, and mood.The digestive system takes in and processes food, and expels waste.The cardiovascular (or circulatory) system transports blood, oxygen, and nutrients throughout the body.The human body's 12 systems work together to ensure that we stay alive, healthy, and thrive: Let's go! 15 Basic human biology facts 1.
So, if you want to understand yourself better, irrespective of where you're at in your education, this guide to the 15 human biology basics everyone should know will get you there! Human biology is staggeringly complex and yet it tells the story of how we function. Let's get started and look inside cell structure.Beneath our skin-and including our skin, our body's biggest organ-lies a wonderfully complex system of organs, bones, soft tissues, receptors, and blood vessels, every cell of which serves a function. Most cells on Earth have similar pieces and parts. An entire living thing can be one cell or it can be billions. In the same way that everything on Earth is made of atoms, everything that is alive on Earth is made of cells. Biology covers every planet and object in the Universe. The study of life extends far beyond Earth. Here's our best definition: Biology is the study of life and the changes that take place with and around all living things.
OKAY! As we have for almost twenty years, let's start here. If you get lost in all of the information, use the search function at the top or bottom of each page. If you're not sure what to click, try our site map that lists all of the topics on the site. We have information on cell structure, cell function, scientific studies, plants, vertebrates, invertebrates, and other life science topics. If you are looking for basic biology help and information, stay on this site. It's not just biology for kids, it's for everyone. Thanks for visiting! Right now you're on BIOLOGY4KIDS.COM.
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