Many Liquid Medicines,such as Insulin,are Administered Using a Subcutaneous Injection

Multiple Choice

Many liquid medicines,such as insulin,are administered using a subcutaneous injection.Why is the subcutaneous layer an ideal site for the administration of such medication?

A) The subcutaneous layer is rich in blood supply and nerve networks.
B) The subcutaneous layer has a rich blood supply and loose spongy texture.
C) The subcutaneous layer has a rich blood supply and firm texture.
D) The subcutaneous layer has a rich supply of nerves and loose spongy texture.