This lesson contains 10 slides, with text slides and 3 videos.
Lesson duration is: 45 min
Items in this lesson
Welcome!
Today:
Questions about homework (page 25)
Explanation about muscles
Making exercises
Slide 1 - Slide
What are we going to learn today?
Today we are going to learn:
What muscles consist of.
How muscles work.
What kind of muscle tissues there are.
Slide 2 - Slide
Muscular system
To move, we don't only need synovial joints, but we also need muscles to move the bones. Muscles are connect with your bones by tendons, and they work by pulling a certain bone. Muscles can only pull a bone, so not push a bone.
Slide 3 - Slide
Muscles and tendons
Slide 4 - Slide
Slide 5 - Video
Antagonistic pair
As previously mentioned, muscles can only pull, and not push. That's why at least 2 muscles work together to enable a full movement. These are called antagonistic muscle pairs.
Slide 6 - Slide
Slide 7 - Video
Organ muscles
Muscles that are connected to your bones are part of the muscular system. However, there are also a lot of muscles in other organs. These muscles move involuntarily. Can you name a example of one?
Slide 8 - Slide
Slide 9 - Video
Homework for next lesson
The homework for next lesson are the exercises of paragraph 4.4. You can skip the summary, but you do have to make the plus exercise.
Lesson duration is: 45 min
