Cells Tissues Organs Systems Human body cells are
“Cells, Tissues, Organs & Systems” “Human body cells are organized as tissues, organs and systems. ”
Levels of Organization cells tissues Organ systems organisms
Sk in Fat Cel ls Ce ll Cell Connective Tissue Cell Smallest working unit that serves a specific job or function. How does the shape of each cell relate to its function? ells C Gland Muscle Cells rtilage C Ca © Getting Nerdy, LLC Bone Cells Red Blood Cells
Cell • https: //www. youtube. com/watch? v=nnjmrr. Q 6 x Os (Amoeba Sisters)
Tissues • Groups of similar cells • Found in all multicellular organisms • Ex. Muscle tissue, nerve tissue, skin tissue, etc.
Tissues of the Human Body Cardiac Muscle Epithelial Tissue Striated Muscle Smooth Muscle © Getting Nerdy, LLC
Organs Made of similar tissues that work together to perform a specific activity What other organs can you think of? © Getting Nerdy, LLC
• Ex. Lungs, kidneys, heart, etc.
Organ System Groups of one or more organs working together to perform functions for the organism. Can you name some of the human body systems? © Getting Nerdy, LLC
Organ Systems • • Digestive System Nervous System Circulatory System Respiratory System Urinary System Reproductive System Endocrine System
1. Digestive System Consists of: • Mouth • Liver • Esophagus • Gall Bladder • Stomach • Pancreas • Small Intestine • Large Intestine
Organism Entire living that carries out all basic life functions. Meaning… it’s made of cells, shares similar chemicals, can take in and use energy, grow & develop, reproduce, and sense & respond to the environment. Most organisms are made up of many cells but some consist of only one cell such as bacteria. © Getting Nerdy, LLC
Homeostasis • Means BALANCE! • Cells, Tissues, and Organs work to keep your body balanced despite what may be happening outside it. • Ex. Temperature, fluids, viruses, etc. • https: //www. youtube. com/watch? v=6 fhbb. Fd 4 i c. Y (homeostasis)
Activity • Cell Specialization Worksheet. • Tomorrow – Cell & Tissue Lab • Come to class first, and then to Lab
- Slides: 14