Insulin promotes:

Insulin is secreted by . . . . . . .

Glucagon hormone is secreted by

$A$ sample of urine was diagnosed to contain a high content of glucose and ketone bodies. Based on this observation, answer the following:
$(a)$ Which endocrine gland and hormone is related to this condition?
$(b)$ Name the cells on which this hormone acts.
$(c)$ What is the condition called and how can it be rectified?

The pancreas produces $..........$ enzymes and $...........$ hormones.

The hormone glucagon: