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*Good Life Science Notes are organized using the textbook headings/main questions.
*Good Life Science Notes ALWAYS include:
1) Bold terms and their definitions
2) Most Active Reading activities (some Visualize It!)
3) Important experiments and discoveries and the scientists that participated
4) Important figures and diagrams (labeled, color may be necessary)
Lesson 1 Note Outline
Introduction to Body Systems
What do Body Systems Do?
Body systems (aka organ systems) help organisms do all of these things:
1.
2.
3.
get rid of wastes
4.
5.
6.
Human Body System
Main Function
1.
2.
3.
4.
5.
6.
7.
Makes chemical messages; regulates conditions
inside the body; influences growth & development
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8.
9.
10.
11. Male Reproductive System
Female Reproductive System
2 systems that send messages around the body: ______________________________________
How are Structure and Function Linked?
Most cells, tissues, and organs look similar despite coming from very different animals.
Example + Explanation:
The shapes and sizes of cells are related to their functions.
Examples + Explanations:
How do Body Systems Work Together?
1.
Organ:
Systems in which it takes part:
Liver
Heart
Blood Vessels
2.
Body systems communicate
2 basic ways
a.
b.
What is Homeostasis?
homeostasis =
1.
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Example + Explanation:
2.
2 Body systems that direct the body to respond due to changes: ___________________
What can go Wrong with Homeostasis?
1.
Mostly hereditary (not infectious)
Example + Explanation:
2.
Mostly infectious (not hereditary)
Example + Explanation:
Discovery Education: Levels of Structural Organization
The human body is like an office building. Both are made up of individual parts working together. These
parts are sometimes called levels. The simplest/smallest level of the body is chemicals. The most
complicated/largest level of the body is the whole organism.
Levels of Organization
1.
Atoms/molecules – these form the building blocks that allow life. Make up cells.
Examples of molecules:
2. Cells – small units of life that perform the basic functions of life. Make up tissues.
Functions of life:
3. Tissue – groups of similar cells that perform common functions. Make up organs.
The human body contains 4 kinds of tissues:
4. Organ – group of different tissue types that serve as a specialized structure to carry out
complicated activities no other organ can perform. Make up organ systems.
Examples:
5. Organ system (aka body system) – group of organs working together towards a common
purpose. Make up an organism.
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Example:
6. Organism – the entire body; the total of all structures that work together to maintain
homeostasis and promote life