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BiologieMiddelbare schoolhavoLeerjaar 3

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Slide 1 - Diapositive

Entry Ticket
  • Do the entry ticket.
  • Correct one and give feedback.
  • Write a reflection in your notebook.
timer
10:00

Slide 2 - Diapositive

Have ready:
  • Google Classroom
  • Your Homework.
  • The answer sheet.

Slide 3 - Diapositive

HW Check
  • Check your hw.
  • Discuss the answers.
  • Ask questions!
timer
7:00

Slide 4 - Diapositive

Have ready:
  • TB p. 109
  • Your Notebook
  • This lessonup
  • Google Classroom

Slide 5 - Diapositive

Topic 1 Lesson 5
Nervous, Muscular & Skeletal System

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  • I know what the nervous, skeletal & muscular systems are and can explain their function.
  • I can explain how these organ systems work together.
  • I can name identify various organs in each system and explain their functions. 
Learning goals:

Slide 7 - Diapositive

  • Nervous system
  • Brain
  • Spinal cord
  • CNS
  • PNS
  • Motor neurones
  • Interneurons
  • Sensory neurons 
  • Skeletal system

Keywords:
  • Joints
  • Bone
  • Cartilage
  • Bone marrow
  • Muscular system 
  • Antagonistic pairs
  • Muscles
  • Tendons
  • Ligaments 
READ:
TB. p.109-110
TB. p.132-134



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Your nervous system is your bodies fast communication system:
  • Your CNS - Central nervous system (control system)
  • Your PNS - Peripheral nervous system (routers)

Nervous System

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When your body observes stimuli from it's environment, the following cycle happens:
  • PNS - Your body receives a stimuli (senses)
  • CNS - Your brain/spinal cord coordinates a response.
  • PNS - Muscles / glands create a response

Signals

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Signals

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Our body has 3 types of neurones:
  • sensory neurones - connects senses to the CNS
  • interneurones - the neurones within the CNS
  • motor neurones - connects the CNS to the effectors

Neurones - Wires

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Our skeleton is an important part of our body, it consists of 206 bones. 
  • Bones are made out of hard bone and cartilage.
  • Hard bone (with calcium) makes it stronger
  • Cartilage makes it more flexible

When you get older your bones will have less cartilage


What is a skeleton?

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Our skeleton has 4 very different but very important jobs to help us survive:

  • support
  • movement
  • protection
  • blood production
The functions

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Many organisms look completely different from each other and they have many different types of skeletons:

endoskeleton
exoskeleton
hydroskeleton
Types of skeletons

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JOINTS
A joint is a place where two bones meet. This is also the place where your skeleton can move.





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TYPES OF JOINTS
Fixed - no movement, skull
Ball and socket- movement in all directions, hip/shoulder
Hinge- movement in 1 direction, elbow/knee
Pivot- turning movement, radius+ulna/neck
Gliding- glide over each other, wrist/backbone






Slide 17 - Diapositive

PART OF A JOINT
Ligaments: connect bone to bone
Tendon: connect bone to muscle
Synovial joint: ball and socket, hinge, pivot. Also have synovial fluid to oil the joint






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MUSCLES
Muscles can work in antagonistic pairs, because muscles can only pull or relax. They need a partner (antagonist) to move the opposite way







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  • Complete them in the Google docs.
  • You are not allowed to share the document and work together.
  • Your need to have it completed & submitted before the next lesson. 

In class Assignments:

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  • I know what the nervous, skeletal & muscular systems are and can explain their function.
  • I can explain how these organ systems work together.
  • I can name identify various organs in each system and explain their functions. 
Learning goals:

Slide 21 - Diapositive

Today I have learned:

1.
2. 
Summary of the day:

Slide 22 - Diapositive


STUDY FOR THE QUIZ!!!


Hw for next time:

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