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Organ Systems and Homeostasis

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by

Garrett Bridges

on 19 February 2014

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Transcript of Organ Systems and Homeostasis

Organ Systems and Homeostasis
INPUT
Cells
- the smallest unit of organization in the body.
Connective tissue
- Provides support for your body and connects all of its parts.
Muscle tissue
- allows your body to move.
INPUT
Pathogens
- disease causing bacteria and viruses.
Stress
- your body's reaction to potentially threatening, challenging, or disturbing events.
MUSCLE TISSUE
NERVOUS TISSUE
Connective Tissue
Chapter 13 Section 1
Open your book to page 508
Bid Idea
Organ Systems and Homeostasis
The Integumentary System
Made up of your skin, hair, and nails
Cells and tissues work together to provide a barrier from disease causing bacteria and viruses.
The Skeletal System
made up of your bones and connective tissues
supports the body and gives structure
protects your body's organs
connective tissues attach to bones and form joints that allow movement
TISSUES
The second largest unit of organization in your body (4 basic types of tissue)

1. Muscle Tissue - contract and shorten

2. Nervous Tissue - carries electrical charges to brain and other parts.

Organs and Organ Systems
The Human Body Has 11 Organ Systems
California Common Core Standards: 7.5.a

Students know that plants and animals have levels of organization for structure and function, Including cells, tissues, organs, organ systems, and the whole organism.

PARAPHRASE: PLANTS AND ANIMALS HAVE LEVELS OF ORGANIZATION FOR STRUCTURE AND FUNCTION.

Nervous tissue
- directs and controls movement
Epithelial tissue
- the tissue that covers your body inside and out.
Homeostasis
- the body's tendency to keep internal balance.
How the Body is Organized
The levels of organization in the human body consists of cells, tissues, organs, and organ systems.

3. Connective Tissue - provides support

4. Epithelial Tissue - covers your body inside and out.
(e.g.
the skin
,
lining of the digestive system
)
Epithelial tissue
All systems work together to maintain
HOMEOSTASIS.
HOMEOSTASIS
IS THE PROCESS BY WHICH AS ORGANISM'S INTERNAL ENVIRONMENT IS KEPT STABLE IN SPITE OF CHANGES IN THE EXTERNAL ENVIRONMENT.
Skin also helps regulate body temperature
Also helps the excretory system by removing waste (sweating)
Works with the nervous system to give you info about your environment.
The Muscular System
work to move your body by pulling your skeleton
voluntary muscles
- work when you want
involuntary muscles
- work by themselves
your muscles and bones are also known as the
musculoskeletal
system
The Circulatory System
carries food and oxygen to all the cells of your body.
powered by the pumping of the heart
Arteries - take blood away from the heart
Veins - carry blood toward the heart
Capillaries - smallest blood vessels connect arteries and veins.
Anticipatory Set
Respiratory System
lungs are the main organs in the respiratory system
takes in oxygen and disposes carbon dioxide
delivers oxygen to the blood via the circulatory system.
The Digestive System
Helps breakdown food into smaller molecules the body uses.
The Immune System
Protects your body from disease-causing bacteria and viruses called PATHOGENS
Specialized white blood cells target and destroy these PATHOGENS
The Nervous System
takes all of the information from your environment and within the body
processes information and demands the body to respond
includes the brain and spinal cord
nerve cells reach from the spinal cord to all of the parts of the body
The Endocrine System
helps regulate the activities of your organs and organ systems.
consist of the Thyroid gland, Hypothalamus, Parathyroid glands, Thymus gland, Pancreas, and Adrenal gland
The Excretory System
Removes waste from your blood stream
Kidneys are the major organ in this system
Each kidney contains 1 million nephrons that filter waste
HOMEOSTASIS
All systems of the body work together to maintain homeostasis.
Homeostasis is the process in which an organism's internal environment is kept stable in spite of changes in the external environment.
Finish the front of the notes on your own
Draw and label one of the 11 body systems (511-515)
Create and answer a 5 question quiz about this section.
summary
: Write a summary of what you have learned is this section
Finish the Notes on your own
Draw and Label one of the 11 body systems
Create and answer two higher level Blooms taxonomy questions.
Full transcript