Soto - Muscular System Flashcards
1
Q
The two things that muscles do
A
Contract and Relax
2
Q
Male Muscle %
A
42%
3
Q
Female Muscle %
A
36%
4
Q
How do muscles work?
A
They work in pairs one contracts and one relaxes
5
Q
Striated=Skeletal=Voluntary
(5 things)
A
- Muscle we can control
- made up of cells with many nuclei
- arranged in fibers and grouped in bundles
- posses many mitochondria
- Most is attached to the bone bu tendons while the rest attaches to cartilage
6
Q
the three named muscle
A
Striated voluntary Skeletal
7
Q
the two named muscle
A
smooth,involuntary
8
Q
the one named muscle
A
Cardiac
9
Q
Smooth, involuntary
(4 things)
A
- muscle we cannot control
- non-striated in appearance
- made of long and slender cells with one nucleus
- e.g. found in the digestive organs, blood vessels, iris, and hair follicles
10
Q
Cardiac
A
- Found ONLY in the heart
- it is mostly involuntary
- its action is rythmic,involuntary, and automatic
11
Q
Short answer question
A
Muscles are organs that contract and relax —> this results in motion
12
Q
the two proteins
A
Myocin & actin
13
Q
muscles that are unused
A
Atrophy
14
Q
muscles that are overworked
A
Hypertrophy
