New Book biology 9th Chapter 5|| Organs and organ systems in humans|| скачать в хорошем качестве

New Book biology 9th Chapter 5|| Organs and organ systems in humans||

#9thnewbiology #newsyllabus In humans, tissues are groups of similar cells working together to perform a specific function, while organs are made up of different tissues that combine to perform a more complex function. Organ systems are groups of organs that work together to carry out major bodily functions. tissue is a group of similar cells that perform a specific function. Types in Animals: Epithelial, connective, muscle, and nervous tissues. An organ is a structure made up of different tissues that work together to perform a specific function. Examples: Heart, lungs, liver, kidneys. An organ system is a group of organs that work together to carry out major bodily functions. Examples: The circulatory system (heart and blood vessels), the respiratory system (lungs and airways), the digestive system (stomach and intestines), the nervous system (brain and nerves), etc.