Muscular System

The insertion of the biceps brachii is....

• Clavicle

• Scapula

• Humerus

• Radius

What is the name of the dense fibrous, cord-like connective tissue that attaches muscle to bone?

• Ligaments

• Cartilage

• Epithelial

• Tendons

Muscles are composed of bundles of muscle fibers called...

• Vestibules

• Fascicles

• Sarcomeres

• Myofibrils

When a muscle contracts, it _______

• gets longer
• gets shorter
• gets thinner
• grows hair

What are the 3 types of muscle tissue?

• Thigh, Calf, & Shoulder
• Traps, Forearm, & Abs
• Hamstring, Biceps, & Triceps
• Smooth Muscle, Cardiac Muscle, & Skeletal Muscle

Which type of muscle is found in your heart?

• Skeletal
• Smooth
• Cardiac
• Straight

__________ connect muscles to bones

• tendons

• collagen

• joints

• cartilage

Acetylcholine

• is responsible for producing lactic acid
• a neurotransmitter, it causes an action potential to begin in muscle fibers

• gives us good muscle tone
• causes cramps and spasms

Which chemicals must be present for the process of muscle contraction to occur continuously?

• amino acids

• phosphorus

• lactic acid
• ATP and Calcuim

Tags

NGSS.HS-LS1-7

The part of a skeletal muscle from z-line to z-line is called

• nucleus
• H-zone
• perimysium
• sarcomere