Order Among Cells SWBAT define tissue and organ; discuss the division of labor within a multicellular organism, define turgor pressure and give examples

Definitions Tissue Tissue –Groups of cells that perform a particular function Organs Organs –Groups of different types of tissues working together

Levels of Organization

Questions How is a paramecium similar and different from a larger organism? How is a paramecium similar and different from a larger organism? –Paramecium are unicellular, and can live alone. It catches its own food and protects itself. Larger organisms divide functions like this up among various cells and tissues. What does division of labor mean? What does division of labor mean? –Each tissue and organ performs its special function to keep an organism alive

How can diabetes mellitus affect the whole body? This only damages cells in the pancreas. This only damages cells in the pancreas. These are the cells that produce insulin. These are the cells that produce insulin. Without insulin, the body’s cells do not use sugar properly. Without insulin, the body’s cells do not use sugar properly. When cells aren’t using sugar, too much is left in the bloodstream. When cells aren’t using sugar, too much is left in the bloodstream. This can affect many cells and organs of the body This can affect many cells and organs of the body

Turgor Pressure Turgor pressure is the result of an abundance of water inside a cell that has a rigid cell wall. Turgor pressure is the result of an abundance of water inside a cell that has a rigid cell wall. Water collects in the center vacuole and sells up pushing the cytoplasm against the cell wall and making the cell stiff Water collects in the center vacuole and sells up pushing the cytoplasm against the cell wall and making the cell stiff Leaves wilt if they lack turgor pressure Leaves wilt if they lack turgor pressure

Romans 12:4-6 1 Corinthians 12:12-26 The body of Christ The human body Members have different gifts Organs have different functions No member is more important than any other Diseases affect the whole body even though they generally only damages a small portion of cells Benefits come from members using their gifts The body only works if all the organs are functioning properly Each member is responsible to use his/her gifts If part of the body stops functioning it can create larger issues

In groups: Label one cup saltwater, and the other plain water. Label one cup saltwater, and the other plain water. Send one person to go fill the cups with water Send one person to go fill the cups with water Mix the salt you were given in the saltwater cup Mix the salt you were given in the saltwater cup Place one potato strip in the saltwater cup and the other in the plain water Place one potato strip in the saltwater cup and the other in the plain water Find a safe place to put your cups for the period Find a safe place to put your cups for the period

Get your labnotebook Title “Turgor Pressure”, and date the lab Title “Turgor Pressure”, and date the lab Answer the questions on page SA 55 after letting your potatoes soak for 30 minutes. Answer the questions on page SA 55 after letting your potatoes soak for 30 minutes. While you are waiting work on your division of labor posters. While you are waiting work on your division of labor posters.