Muscular

Question 1

What are the three types of muscle tissues?

Answer 1

Cardiac, Skeletal, Smooth

Question 2

How many muscles are in the human body?

Answer 2

Over 600 million muscles

Question 3

What are the common properties that muscle tissues have?

Answer 3

Excitability, Contraction, Elongate

Question 4

Has an electric gradient which can reserve when stimulated?

Answer 4

Excitability

Question 5

The ability to contract or shorten?

Answer 5

Contraction

Question 6

Shares the capacity to elongate or relax?

Answer 6

Elongate

Question 7

Which muscle tissue are voluntary muscles that work in pairs to move parts of the skeleton?

Answer 7

Skeletal muscles

Question 8

Skeletal muscles are composed of _____ _______ that are bound together in parallel bundles?

Answer 8

Muscle fibers

Question 9

Skeletal muscles are also known as ______ _______ due to their striped appearance under a microscope?

Answer 9

Striated muscles

Question 10

Which muscle tissue are involuntary muscles found in walls of internal organs like stomach, intestines, and blood vessels?

Answer 10

Smooth Muscle Tissues

Question 11

Smooth muscle tissues are also known as _______ ________ because it’s non-striated.

Answer 11

Visceral tissue

Question 12

Smooth muscle cells are ______ and _____ than Skeletal muscle fibers?

Answer 12

Wider and shorter

Question 13

Smooth muscle tissues are found in ______ and ______ that control various openings throughout the body?

Answer 13

Sphincters and valves

Question 14

Which muscle tissue are involuntary muscles found only in the heart?

Answer 14

Cardiac muscle

Question 15

Cardiac muscle cells appearance is?

Answer 15

Striated

Question 16

Only skeletal muscle interacts with the _______ to move the body?

Answer 16

Skeleton

Question 17

When contracted the muscles transmit _______ to attached bones?

Answer 17

Force

Question 18

Working together muscles and bones act as a system of levers which moves around _______?

Answer 18

Joints

Question 19

A small contraction of muscle can produce a large _______?

Answer 19

Movement

Question 20

A limb can be extended and rotated around a joint due to?

Answer 20

Muscle arrangement

Question 21

Each skeletal muscle fiber contains a bundle of __________?

Answer 21

Myofibrils

Question 22

Myofribils composed of multiple repeating contractile units called ?

Answer 22

Sarcomeres

Question 23

Myofibrils contain two protein ____________ : thick and thin?

Answer 23

Microfilaments

Question 24

Thick filament is composed of protein?

Answer 24

Myosin

Question 25

Thin filament is composed of protein?

Answer 25

Actin

Question 26

Dark bands (striations) in skeletal muscle are formed when thick and thin?

Answer 26

Overlap

Question 27

Light bands occur where ______ is overlapped?

Answer 27

Thin

Question 28

Skeletal muscle attraction occurs when thin slides over thick, thus?

Answer 28

Shortening the sarcomere

Question 29

When action potential (electrical signal) reaches a muscle fiber, _______ _____ are released?

Answer 29

Calcium ions

Question 30

_____________ released from glucose provides energy necessary for the contraction?

Answer 30

Adenosine triphosphate

Question 31

Filament model of muscle contraction shows calcium ions bind to myosin & actin, which assist in binding?

Answer 31

Myosin head of thick filaments to Actin molecules of thin filaments