The brake system along with a complete safety inspection of the vehicle should be done at each oil change (aprox every 5K or once a year).
Freon (or any refrigerant) only needs to be replaced if it is low. You can have the refrigerant checked at most auto repair shops and they can tell you if it's low. If it is, they should also check for leaks as it is a closed system and does not normally lose refrigerant.
if you are in anything less than incredible shape, you should get it checked out. high end athletes often have lower heart rates. normal is 60-100 bpm.
You should feed your centipede one cricket a week.
Most churches observe the Lord's Supper or Communion as often as once a quarter.
The radial artery is used most often for a pulse. But in the case of someone who is not responding the carotid is checked. It is awkward to ask questions when taking a pulse rate at the carotid.
every 7500 miles or 12 months
In order to keep the HVAC system running efficiently, it should be checked at least annually. Keeping it serviced yearly, will keeping the system in top shape.
DailyDaily
monthly
Commercially speaking, in the UK they have to be checked annually, and signed.
brake linings should be checked at 15,000 and 25,000 miles and then every 5,000 miles after that.
Every time it is worn!
With each brake job.
Every time it is worn.
Every time the PFD is worn
every 4 weeks in the community
Once a week.