Science: Muscular System

When muscle RELAXES, its size ​ (a)   . but when muscle CONTRACTS, its size ​ (b)  

• lengthens
• shortens

Main organ od the muscular system ? ___________

We need to eat food rich in ​ (a)   , to make out bone strong. We need no eat food rich in ​ (b)   to have stronger muscles​

• calcium
• protein
• carbohydrate
• cholesterol
• lipid

Elbow Bending = biceps ​ (a)   , triceps ​ (b)   ;

Elbow Extending = ​ (c)   contract , ​ (d)   relax ;

• contract
• relax
• triceps
• biceps

Match the following

• SPrain

• Connect
  Bone to Bone

• STrain

• Connect
  Muscle to Bone

• Tendon

• Damage to a Ligament

• Ligaments

• Damage to the Tendons or Muscles

Types of Muscles (choose more than 1)

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Cellular muscle

• Brain muscle

Tags

NGSS.HS-LS1-4

Example of

• heart

• Skeletal muscle

• intestines

• Cardiac muscle

• gluteal

• smooth muscle

Types of Muscle

c

d

e

b

a

Smooth muscle

Voluntary

No strips

Skeletal muscle

Cardiac muscle

Tags

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How many muscles are there in your body?

• over 200

• over 300

• over 500

• over 600

• over 800

What are some delicious foods that can help us build stronger muscles? (Select more than one)

• egg

• rice

• meat

• vegetables

• fruit

Tags

NGSS.MS-LS1-7