Now, the water hit the back of her head and neck.

The top of the head and neck are black or dark brown.

He moved his hand down the long line of her neck.

Her hands moved up to the back of his neck.

She put her hand on the back of his neck.

The response of his neck had told him the truth.

Just then I was hit on the back of my neck.

He stood up and felt the back of his neck.

I felt his eyes on the back of my neck.

The hair on the back of his neck was standing up.