Select the correct statement with respect to locomotion in humans
A decreased level of progesterone cause osteoporosis in old people
Accumulation of uric acid crystals in joints causes their inflammation.
The vertebral column has 10 thoracic
The vertebral column has 10 thoracic
B.
Accumulation of uric acid crystals in joints causes their inflammation.
Inflammation of joints due to the accumulation of uric acid crystals is gout.The fibrous joint is formed by the flat skull bones, which fuse end - to -end with the help of dense fibrous connective tissue in the form of sutures to form cranium. The vertebral column is formed by 26 serially arranged units called vertebral. The less secretion of progesterone cause abortion as it basically supports a pregnancy.
The characteristics and an example of a synovial joint in humans is
|
Characteristics |
Examples |
|
Fluid cartilage between two bones, limited movements |
Knee joints |
|
Characteristics |
Examples |
|
Fluid filled between two joints, provides cushion |
Skull bones |
|
Characteristics |
Examples |
|
Fluid filled synovial cavity between two bones |
Joint between atlas and axis |
|
Characteristics |
Examples |
|
Fluid filled synovial cavity between two bones |
Joint between atlas and axis |
Which type of tissue correctly matches with its location?
| Tissue | Location |
| Areolar tissue | Tendons |
| Tissue | Location |
| ATransitional epithelium | Teip of nose |
| Tissue | Location |
| Cuboidal epithelium | Tlining of stomach |
| Tissue | Location |
| Cuboidal epithelium | Tlining of stomach |
The H -zone in the skeletal muscle fibre is due to
the absence of myofibrils in the central portion of A-band
the central gap between myosin filaments in the A-band
the central gap between actin filaments extending through myosin filaments in the A-band
the central gap between actin filaments extending through myosin filaments in the A-band
Lack of relaxation between successive stimuli in sustained muscle contraction is known as
fatigue
tetanus
tonus
tonus
