問題一覧
1
how many muscles are there in the human body
640
2
Myofilaments are arranged in the cells in small units called?
sarcomeres
3
Largest muscle in the body
gluteus maximus
4
How many percent does muscle make up in the body
40
5
Concsious muscle sense
parietal lobes of the cerebrum
6
Brachialis and soles are example of what fibers?
red fibers
7
Fibers are thin and spindle shaped, no striations, single nuclei, involuntary, contracts slow
smooth muscle
8
Longest muscle in the body
sartorius
9
Have stripes accross the fibers
striated
10
Anchors muscles firmly to bones
tendons
11
The attachment of the muscle to the bone tgat remains stationary
origin
12
The one that is most responsible for tge movement
agonists
13
Extraocular muscles of eyeball and gastrocnemius
white fibers
14
Postural and antigravity muscle
red fibers
15
Cant be moved intentionally
involuntary
16
Cardiac muscle is found in the what?
heart
17
What substance forms causing muscle fatigue?
lactic acid
18
Unconsious muscle sense
parietal lobes of the cerebellum
19
Skeletal muscle is attacged to skeletin by what?
tendons
20
Low concentration of myoglobin
white fibers
21
Cells are branched and appear fused with one another, has striations, each cell has central nuclei, involuntary
cardiac muscle
22
Tge attchments of muscle to bones that move
insertion
23
Muscles and muscle groups usually work in pairs
antagonists
24
Connect bone to bone at a joint
ligaments
25
Easily fatigue
white fibers
26
Can be moved at will
voluntarily
27
Fast to contract but more sustained
intermediate fibers
28
Muscle that raise a body part
levators
29
Functions of muscle
movement
30
No striations
smooth muscle
31
Smallest muscle in tge body
stapedius
32
Muscle cells are filled with 2 types of fine threadlike proteins called myofilaments, what js the thick part?
myosin
33
High concentration of myoglobin
red fibers
34
Slow but sustained contraction
red fibers
35
Small fluid sacs that lie between some tendons and the bones beneath them?
bursae
36
Any movement is generally accomplished by more than one muscle
synergists
37
Electrochemical impulses travek to frontal lobes to cerebrum via?
motor nerves
38
Fast but less sustained contraction
white fibers
39
Muscle cells are filled with 2 types of fine threadlike proteins called myofilaments, what js the thin part?
actin
40
Fatigue resistance
red fibers
41
Fleshy part of the muscle
belly
42
Fibers are long and cylindrical, has many nuclei, has striations, voluntary
skeletal muscle
43
Membrane that surrounds the muscle cell
sarcolemma