Muscular System Intro

What are the purposes of muscles?

• movement

• digestion

• keep your heart beating

• keep your body warm

Which type of muscle(s) are involuntary?

• cardiac

• skeletal

• smooth

Which chemicals must be present for muscles to contract?

• calcium

• ATP

• lactic acid

• ATP and Calcuim

A person who exhibits very large muscles has the condition of 

• atrophy

• hypertrophy

• muscular dysterophy

• muscle 

• Flexion
• extension
• abduction
• adduction

What type of muscle tissue is shown?

• Skeletal

• Cardiac

• Smooth

What would skeletal muscles use for fuel during aerobic respiration? 

• glucose

• fat

• creatine phosphate

• glycogen

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which type of muscle is striated?

• skeletal

• smooth

• cardiac

Which of the following is NOT a characteristic of muscles?

• Contractility

• Elasticity

• Solubility

• Extensibility

Which of the following is NOT a function of skeletal muscles?

• produce movement

• produce energy

• stabilize joints

• generate heat