Any governing board authorized to issue bonds under the provisions of this article is authorized and empowered to accept loans or grants or temporary advances for the purpose of paying part or all of the cost of construction of the dormitories, housing facilities, food service facilities or motor vehicle parking facilities and the other purposes herein authorized, from the United States of America or a federal or public agency or department of the United States or any private agency, corporation or individual, which temporary advances may be repaid out of the proceeds of the bonds authorized to be issued under the provisions of this article and to enter into the necessary contracts and agreements to carry out the purposes hereof with the United States of America or a federal or public agency or department of the United States or with any private agency, corporation or individual. The provisions and parts of this section are separable and are not matters of mutual essential inducement and it is the intention to confer the whole or any part of the powers herein provided for and if any of the sections or provisions, or parts thereof, are for any reason illegal or invalid, it is the intention that the remaining sections and provisions or parts thereof shall remain in full force and effect.