Muscles

• Biologie
• Middelbare school
• havo
• Leerjaar 1

Muscular system

Today's lesson

Explaination on muscles

Work on the assignments

Review on paragraph 1-3

Learning objectives

• You can explain how the muscles work.
• You can give examples of voluntary and involuntary muscle movements

Muscular system

All the skeletal muscles in our body together make up the muscular system

Skeletal muscles are muscles that are connected to bones > we can move these voluntarily!

Tendons

Tendons connect muscles to bones 

The place where the muscle is attached to the bone is called the attachment site

attachment site

calf muscle

tendon

attachment site

heel bone

Antagonistic pair

two muscles that have opposite effects

Biceps

Arm flexor muscle
(biceps) is connected to radius

and shoulderblade by tendons

arm flexor muscle

(biceps)

Triceps

Arm extensor muscle

is connected to ulna and shoulderblade 

arm extensor muscle

(triceps)

Voluntary movement

Involuntary movement

Organ muscles

muscles in your organs that move without you being aware of it

Muscular system

Go to work!

Read: 4.4 Muscles

Make: exc. 1 'till 7 (skip 4)