A Body in Balance Maintains constant body temperature Maintains the level of glucose in the blood Maintains the level of salt, water and sugar in the.

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Presentation transcript:

A Body in Balance Maintains constant body temperature Maintains the level of glucose in the blood Maintains the level of salt, water and sugar in the blood C 6 H 12 O 6

So….. What do we call this maintenance of an internal environment? Homeostasis

3 Major topics in Maintaining Balance These 3 major topics are interrelated to help your body maintain homeostasis: Structure and function Division of labor Interdependence of organ systems

Structure and Function TRY THIS! Put a rubber band around your hand so that the thumb cannot be used. Pick up your textbook and hand it to the student next to you. Pick up your pencil and write your name without using your thumb.

Structure and Function Why are these harder to do without the thumb? How is the structure of your thumb related to its function?

Structure and Function What is the function of plant leaves? Why are these leaves shaped differently? Maple leaf Conifer Cactus

Structure and Function The dolphin and the fish are unrelated organisms. Why do they have similar structures? Mammal - dolphin Fish – Queen snapper

Structure and Function Explain why structure is so important to function.

Division of Labor Why do you need so many different parts to digest your food?

Division of Labor What do your teeth do for you?

Division of Labor Esophagus Why do you need an esophagus?

Division of Labor Does the stomach do anything special for you?

Division of Labor Could you live without your small intestine? Why?

Division of Labor Your body systems are divided into different parts. Each part has its own special function. This is called a Division of Labor.

Interdependence of Body Systems REMEMBER... All the body systems work together to maintain homeostasis.

Interdependence of Body Systems What systems need to work together in order for you to write your name on a sheet of paper?

Interdependence of Body Systems What systems need to work together so you can get energy from the food you eat?

Interdependence of Body Systems What would happen if you tried to move your leg with a broken femur? What would happen if you had too few red blood cells?

Interdependence of Body Systems All the body systems rely on each other in order to function correctly. If one system fails to work, every system will be affected. This shows the interdependence of all the systems.

Let’s review: Explain homeostasis and why it is important. Why is structure related to function? What does division of labor mean? Why is it important for all of your body systems to work together?