Locomotion in vertebrates - muscle structure and fuel for contra

What is the functional unit of muscle?

• Myofibril

• Sarcomere

• Mitochondria

• Nucleus

What mechanism describes muscle contraction?

• Sliding filament mechanism

• Pumping mechanism

• Rotating filament mechanism

• Expanding filament mechanism

Which term is not a type of muscle fibre?

• Slow twitch

• Fast twitch

• Tonic

• Elastic

What process supports muscle activity?

• Metabolic processes

• Respiratory processes

• Digestive processes

• Circulatory processes

Tags

NGSS.HS-LS1-7

Which of the following is not used as a fuel for muscles?

• Proteins

• Fats

• Carbohydrates

• Vitamins

Tags

NGSS.HS-LS1-7

What does the concept of Oxygen Debt refer to?

• The amount of oxygen required to oxidize lactic acid

• The amount of oxygen a person can hold their breath

• The amount of oxygen in the atmosphere

• The amount of oxygen used during rest

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which muscle fibre type is not correctly paired with its other name?

• Slow Oxidative - Slow twitch

• Fast Glycolytic - Fast twitch

• Fast Oxidative - Tonic

• Slow Glycolytic - Slow twitch

Which type of muscle is striated?

• Smooth Muscle

• Cardiac Muscle

• Skeletal Muscle

• None of the above

What type of muscle is shown in the bottom right image?

• Skeletal Muscle

• Smooth Muscle

• Cardiac Muscle

• Non-striated Muscle

Which of the following muscles is not striated?

• Skeletal Muscle

• Cardiac Muscle

• Smooth Muscle

• Both A and B are not striated