The Muscular System

Question 1

What is a muscle

Answer 1

group of fibers or muscle cellls that are bound together

Question 2

Smooth Muscle

Answer 2

The stomach, bladder, and intestines are lined with SMOOTH MUSCLE

Involuntary

Not striated or striped

Each Cell has one Nucelus

Question 3

Cardiac Muscle

Answer 3

Only in the heart

Involuntary

arranged in a network to allow heart to contract efficiently and rhythmically

striped with dark and light bands of cells

Cells have one Nucleus connected with gap junctions

Question 4

Skeletal Muscle

Answer 4

attached to bones by tendons

cause movement when contracted

voluntary

striped

One nucleus

Question 5

antagonistic pair

Answer 5

In an antagonistic muscle pair as one muscle contracts the other muscle relaxes or lengthens.

Question 6

Tendons

Answer 6

Bands of connective tissue that connect muscle to bone

Question 7

slow-twitch muscles

Answer 7

Contract slower

Adapted for endurance

Many mitochondria

contain Myoglobin for oxygen reservation (Darker in color)

Question 8

Fas-twitch muscles

Answer 8

Contract faster

Adapted for strength

Fewer mitochondria

Less Myoglobin (lighter in color)

Question 9

Myoglobin

Answer 9

A respiratory molecule that stores oxygen