Final Jeopardy Question Muscular System Nervous System & Muscular System 500 Movement More Muscular System Anatomy of Muscle Fiber Naming Muscles

These are the four basic functions of muscles. Back Produce movements, maintain posture, stabilize joints, generate heat

This type of muscle is voluntary (under our conscious control). Back Skeletal muscle

This muscle lines your hollow organs Back smooth

This muscle is only found in one place in your body Back cardiac

Back This connective tissue connects muscle to bone. Tendon

An ___ ___ from a nerve stimulates a muscle contraction. Back Action potential

Name 3 molecules responsible for muscle contraction. Back K+, Ca 2+, Na+

This neurotransmitter is released at the synapse (space between nerve axon and muscle fiber). Back Ach (Aceytalcholine)

The space between a muscle & the nerve is called… Back the synapse or synaptic cleft

Another name for a muscle cell Back Muscle fiber

The contracting unit of a muscle Back sarcomere

The start/end boundaries of a sarcomere Back Z lines

The 2 protein myofilaments in a sarcomere Back Actin and myosin

Muscle fibers bundle together to form a ___. Back fascicle

Muscle fibers are multinucleated because… Back Muscle fibers are long & need the nucleus to control the cell function

Back smooth

Back cardiac

Back skeletal

This Type of Muscle is Multi-Nucleated Back Skeletal

This type of Muscle is responsible for blood circulation Back cardiac

This muscle makes up your “calf” muscle Back gastrocnemius

These muscles make up your “chest” muscles Back Pectoralis major

When you chew your food you use this muscle Back masseter

This muscle bends the forearm up Back bicep

This set of muscles makes up your “Rear end” aka buttocks Back Gluteus maximus

Weight lifting is this type of exercise. Back anaerobic

An easy jog is this type of exercise. Back aerobic

When you decrease the angle of a joint Back flexion

The muscles that make up the sides of your abs are called the... Back Obliques

When you increase the angle of a joint Extension/relax Back

Name the model or theory that explains how a muscle cell contracts? Sliding Filament Model