The presence of intercalated discs is a diagnostic feature of which tissue?
Cardiac muscle
Intercalated discs are specialized junctions found exclusively between cardiac muscle cells, allowing synchronized electrical and mechanical coupling for coordinated heart contraction -- they are not found in smooth muscle.
In humans, which blood vessels have maximum total cross-sectional area collectively?
Nephrons in the kidney primarily help in which of the following?
Consider the following statements regarding diabetes:
1. It is caused by the oversecretion of insulin by pancreas.
2. The glucose level increases in the blood.
3. The patient urinates frequently, loses weight and becomes lethargic.
How many of the statements given above are correct?