1. Lungs
2. Kidney
3. Liver
4. Spinal cord
Liver
1. 500 years
2. 300 years
3. 100 years
4. 50 years
100 years
1. Germinal epithelium
2. Bone marrow
3. Stratum germinativum
4. All the above
All the above
1. Crab
2. Adult frog
3. Salamander
4. Tadpole
Salamander
1. More of birth rate
2. Less of death rate
3. Lack of education
4. All the above
All the above
1. J-shaped
2. R-shaped
3. I-shaped
4. S-shaped
S-shaped
1. Korenchevsky
2. Hayflick
3. Trembley
4. Sachs
Korenchevsky
1. 1851
2. 1891
3. 1921
4. 1951
1891
1. Senescence
2. De-differentiation of kidney
3. Blastema
4. Compensatory hypertrophy
Compensatory hypertrophy
1. Ornithology
2. Ichthyology
3. Gerontology
4. Histology
Gerontology