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Transcript
Body Systems Study Sheet Be able to distinguish between learned behaviors and instincts. Below are some examples: Learned Behaviors A cat using a litter box A dog fetching a stick Tiger sneaking up on prey Playing the piano Speaking Italian Instincts A baby crying for milk A fish swimming in water A spider making a web A bird building a nest Caterpillar making a cocoon Be able to distinguish between unicellular and multi cellular organism Unicellular Organisms (also known as single – cellular) Unicellular organisms consist of a single cell that performs all life processes. If a unicellular organism has a single cell damaged it will die. The organism has the ability to produce offspring It is made up of a cell that links with other similar cells to form a colony Bacteria is a unicellular organism Multicellular Organisms Multi cellular organisms have well developed transport systems because all cells of a multicellular organism are not in direct contact with the outside environment for the exchange of substances. The surface cells are in contact with the external environment Energy produced in one cell is transported to another cell If a multi-cellular organism has a single cell damaged it can survive and make new cells. Different cell types of the organism perform different functions in a multicellular organism The organism has the ability to produce offspring . Simplest multicellular organisms are made of cells that dependent on each other for their survival. Most of the multicellular organism are microscopic and are known as microscopic organisms. Multicellular organisms need transport systems because cells inside the organisms need to exchange substances with the outside environment. Cells are the basic unit of life. Many cells make up tissues, tissues make organs and organs make up systems. Be able to recognize an inheritable trait Inheritable Traits Non- Inheritable Traits Height There are scars on one hand Hair color Ability to play the piano Ear lobes There is jewelry on one hand Dimples Blue hair in humans Eye color Talkative Finger types Ability to ride a bike Toe types Like Mexican food Gender Length of hair Long whiskers In offspring the mixing of parental characteristics is caused by the fact that each offspring receives a different combination of genes from their parents (remember the gingerbread family) Parents and offspring are similar by both inherited traits and learned traits. Be able to identify the order in which food is digested in the digestive system. Which body systems work together? Skeletal & Muscular System work together to help you move. Respiratory & circulatory System work together to help you transport gases. Digestive and excretory system work together to remove waste. Nervous system works with all systems because it is the control center or brain of the entire body. Digestive system and muscular system work together to move food through the body. Body Systems Study Sheet Be able to identify each body system by diagram and explain its primary function. **Use foldables in science notebook to gather more information Digestive System The digestive system processes food into a useable source of energy Digestion begins in the mouth with Chewing (mechanical) and saliva(Chemical) break down of food. Nutrients released from food in the small intestine are transported by the circulatory system to other parts of the body. The digestive system and the muscular system work together to help move food through the digestive track. Skeletal System Supports and Protects the body Gives Shape to the body The skeletal system protects most of the delicate organs of the body. The skeletal system, muscular system and nervous system work together to help a person move. Produce blood cells in bone marrow. Circulatory System The function of the cardiovascular system is to transport gases throughout the body The cardiovascular system works with the respiratory system to transport fresh oxygenated blood to the cells and remove harmful waster (Carbon dioxide) from the body. The heart pumps blood throughout the body White blood cells are like your personal army. They fight infections and diseases. The circulatory system supports the digestive system by transporting nutrients to all cells in the body. Muscular System The muscular system, skeletal system, and nervous system work together to help a person move. Cardiac Muscles pump and circulate blood throughout the body Together, the skeletal muscles work with your bones to give your body power and strength. DNA is found in the nucleus of both plant and animal cells. Nervous System The nervous system allows your body to feel pain so you can respond to stimuli correctly. The primary function of the nervous system is to control the different systems of our body The human brain is formed of the cerebrum, cerebellum, limbic system and brain stem. The Nervous system is also known as the message transport system of the human body. The nervous system sends electrical signals to all other body systems. Excretory System The excretory system is a collection of organs that work in unison to remove waste and other harmful products from the body. The excretory system helps keep the internal environment of the body clean. It helps remove water along with excess salts and water. The excretory system is aided by the circulatory system in its proper function.