Body Systems 8 th grade notes. Notes A system is a group of parts that work together as a unit to...
-
Upload
archibald-simmons -
Category
Documents
-
view
219 -
download
1
Transcript of Body Systems 8 th grade notes. Notes A system is a group of parts that work together as a unit to...
Body SystemsBody Systems
88thth grade notes grade notes
NotesNotesA system is a A system is a group of parts that group of parts that work together as a work together as a unit to accomplish unit to accomplish a common goal.a common goal.
Cardiovascular SystemCardiovascular System
Delivers needed materials to the Delivers needed materials to the bodybody
Removes wastes from the bodyRemoves wastes from the body
Interacts with all body systemsInteracts with all body systems
Main PartsMain Parts:: Heart, arteries, veins, Heart, arteries, veins, capillaries, bloodcapillaries, blood
Digestive SystemDigestive SystemBreaks down food into simpler substances Breaks down food into simpler substances that the body can absorb and used by the that the body can absorb and used by the cells.cells.The small intestine contains villi that absorb The small intestine contains villi that absorb nutrients into the body.nutrients into the body.The muscular system helps the digestive The muscular system helps the digestive system by you chewing, swallowing, and system by you chewing, swallowing, and churning food in the stomach.churning food in the stomach.Main Parts:Main Parts: mouth, esophagus, stomach, mouth, esophagus, stomach, small Intestine, large intestine, liver, small Intestine, large intestine, liver, gallbladder, pancreas, rectum, and anus.gallbladder, pancreas, rectum, and anus.
MuscularMuscular
Muscles produce voluntary Muscles produce voluntary movement.movement.
Enables the whole body to moveEnables the whole body to move
Uses the skeletal and nervous Uses the skeletal and nervous systemssystems
Main Parts: Main Parts: smooth, cardiac, and smooth, cardiac, and skeletal musclesskeletal muscles
Respiratory SystemRespiratory SystemDelivers oxygen to your Delivers oxygen to your bodybody
Removes CORemoves CO22 from the from the bodybody
The cardiovascular The cardiovascular system and the system and the muscular system help muscular system help this system to workthis system to work
Main PartsMain Parts: pharynx, : pharynx, larynx, trachea, bronchi, larynx, trachea, bronchi, lungs, and diaphragmlungs, and diaphragm
Skeletal SystemSkeletal System
Supports and protects the bodySupports and protects the body
Works with the muscles to enable Works with the muscles to enable movementmovement
Main PartsMain Parts: Bones, Joints, Cartilage: Bones, Joints, Cartilage
Endocrine SystemEndocrine SystemProduces chemicals that are called Produces chemicals that are called hormones that help control body hormones that help control body processes.processes.
Main PartsMain Parts: Glands: Glands
Excretory SystemExcretory System
Removes wastesRemoves wastes
Helps to regulate the water in the Helps to regulate the water in the bodybody
Main PartsMain Parts: Kidneys, Bladder: Kidneys, Bladder
Nervous SystemNervous System
Obtains and processes information Obtains and processes information from the body’s internal and external from the body’s internal and external environment.environment.
Directs most body functions.Directs most body functions.
Main PartsMain Parts: brain, spinal cord, : brain, spinal cord, peripheral nerves, and nerves peripheral nerves, and nerves
CellsCells
What do you remember about What do you remember about cells from 6cells from 6thth grade? grade?
Activity 1Activity 1Sorting Systems-In this activity you Sorting Systems-In this activity you will find a body system at your lab will find a body system at your lab station.station.
Organize each system by cells, Organize each system by cells, tissue, organ, and organ systemtissue, organ, and organ system
Name the system that you organizedName the system that you organized
Have teacher check your team and if Have teacher check your team and if she okays it mix it up for the next she okays it mix it up for the next teamteam
Move to the next station when the Move to the next station when the teacher gives permissionteacher gives permission
Activity 2Activity 2
Objective: Systems work together to Objective: Systems work together to maintain homeostasis in the human maintain homeostasis in the human body.body.
DiscussionDiscussion
Describe a time when they were Describe a time when they were extremely cold or very warm. extremely cold or very warm.
How did your body react? How did your body react?
Begin Mini LabBegin Mini Lab