"Bone, Joint and Muscle" Our Body PPT Courseware 2

Description

"Bone, Joint and Muscle" Our Body PPT Courseware 2

skeleton:

Support our body and protect our internal organs

think about it

Can bones move independently? What tissues work in coordination with bones?

Observe the movements of the upper limbs

Activity: Pick up the dumbbell on the ground with your left hand and slowly move it to your chest. And while exercising, use your right hand to touch different parts of your arm.

Thinking: When the arms do flexion and extension movements, what organizations are involved in the activity?

Communicate with deskmates and try to describe

Coordination of bones, joints and muscles

When flexing the elbow: the upper muscles contract

The muscles below relax

When extending the elbow: the upper muscles relax

The muscles below contract

The relationship between bones, joints and muscles

Summary: Changes in the position of bones produce movement, but the bones themselves cannot move. The movement of bones depends on the traction of muscles and the rotation of joints.

Consolidation exercises

True or False

(1) Bones can move independently. wrong

(2) Maintaining a correct posture and reducing collisions can avoid bone damage. right

(3) When extending and bending the legs, the movement of bones, joints and muscles is the same. wrong

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"Bone, Joint and Muscle" Our Body PPT Download:

"Bone, Joint and Muscle" Our Body PPT Download Part One: Introduction of New Lesson Can bones move independently? Today we are also going to play a game. We are not only competing to see who is better at playing, but also competing to see who has gained more knowledge while playing. I..

"Bone, Joint and Muscle" Our Body PPT:

"Bone, Joint and Muscle" Our Body PPT Part One: Observe the Movement of the Upper Limbs Pick up the dumbbell on the ground with your left hand and slowly move it to your chest. Feel how the left upper limb moves during the whole process of this movement? Repeat the above actions...

"Bone, Joint and Muscle" Our Body PPT Courseware 4:

"Bone, Joint and Muscle" Our Body PPT Courseware 4 Activity Straighten your arms, pick up 4-5 books with your hands, slowly bend your arms and move them to your chest. Repeat the above movements, and while exercising, use your other hand to touch different parts of your arm to feel which parts...

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Update Time: 2024-06-30

This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template

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