QUES: The aorta has to withstand significant pressure changes with each heart beat and it may be that over time with hypertension a weakening of an area of the intima will occur

correct the punctuation.

CORRECTED: The aorta has to withstand significant pressure changes with each heart beat, and it may be that over time with hypertension, a weakening of an area of the intima will occur.

QUES: The governor could specify how long the legislature would remain in session but the legislature itself determined how long it would remain in session

correct the punctuation.

CORRECTED: The governor could specify how long the legislature would remain in session, but the legislature itself determined how long it would remain in session.

QUES: The 25 guest rooms available with a full Irish breakfast included or on a roomonly basis accommodate between 1 and 3 guests and come with a private bathroom TV and facilities for making tea and coffee

correct the punctuation.

CORRECTED:
The 25 guest rooms (available with a full Irish breakfast included or on a room-only basis) accommodate between 1 and 3 guests, and come with a private bathroom, TV, and facilities for making tea and coffee.