If you are swimming the breast stroke you would be in the [blank] position. To look at the stars in the sky your head is in the [blank] position.

If you are swimming the breast stroke you would be in the [blank] position.

To look at the stars in the sky your head is in the [blank] position.

Please explain these two answers, I can't seem to understand or find the explanations for these anywhere in the textbook. :[ 

Thank you so much