Muscular System

Question 1

How many muscles are there?

Answer 1

600+ muscles

Question 2

How much of the human body’s weight is muscle?

Answer 2

Around 1/3 on average

Question 3

How do the muscles get energy?

Answer 3

From blood

Question 4

What do muscles create/how can they create it?

Answer 4

Body heat—in cold circumstances, shivering is out muscles shaking in order to create heat.

Question 5

What does Skeletal Muscle do?

Answer 5

Helps with Movement of our bones

Question 6

What is Smooth Muscle?

Answer 6

Something with a separate function, like a stomach

Question 7

What is Cardiac Muscle?

Answer 7

Heart/Veins (parts of the heart), all muscle related to blood movement

Question 8

Muscles typically come in _____.

Answer 8

Pairs. Like: the Tricep + Bicep

Question 9

What is Skeletal Muscle Tissue made of?

Answer 9

Muscles fibers - long cells in bundles supplied by blood vessels

Question 10

What is Skeletal Muscle made of?

Answer 10

Cells called (individually called) Myofibers

Question 11

What is the plural to Myofibers? (Myofibers in a bundle)

Answer 11

Fascicles

Question 12

Skeletal Muscles are _________ muscles.

Answer 12

Voluntary, meaning the moment is controlled by the brain

Question 13

What is a tendon’s function?

Answer 13

They keep muscles together. If they are broken (they are fragile!) they are PAINFUL & your muscles will move!!!

Question 14

Muscles are always attached in __________ or more places.

Answer 14

Two

Question 15

Smooth muscles are always in the walls of the body, like:

Answer 15

Airways, stomach, & ailmentary canal

Question 16

What are the walls of the heart made of?

Answer 16

Cardiac muscles. The heart’s systems are the muscular + circulartory systems

Question 17

Heart walls are made of _______ layers.

Answer 17

Three

Question 18

One of the heart’s layers is the… (+what is found in it)

Answer 18

Myocardium—Cardiac muscles are found here!