Muscular System

How many types of muscles are there?

• 2

• 4

• 3

• 1

Smooth Muscle is found in the?

• Heart

• Facial

• Organs

• Legs

The connective tissue sheath that surrounds a muscle fascicle is the...

• epimysium

• endomysium

• perimysium

Which of the following is defined as the ability of an object to quickly return to the original shape and size?

• Elasticity
• Excitibility
• Flexibility
• Extensibility

A protein of muscle that together with tropomyosin forms a regulatory protein complex controlling the interaction of actin and myosin and that when combined with calcium ions permits muscular contraction.

• myosin

• tropomyosin

• troponin

• actin

Which of the following is NOT a type of muscle?

• Rough
• Smooth
• Cardiac
• Skeletal

Skeletal muscles are attached to which of the following? 

• Bones and ligaments 
• Ligaments and tendons
• Tendons and bones
• Bones and fat 

Muscles are needed for what (check ALL that apply)?

• movement

• decoration

• pump blood

• no one knows

Tags

NGSS.MS-LS1-3

Smooth muscle is located where?

• heart

• bones

• toes

• internal organs

The nerve releases a chemical called a

• neurotransmitter

• neuron

• myofibril

• cell

Tags

NGSS.MS-LS1-3