Having something accessible like a heartrate meter. Use your pointer and middle finger and feel on the underside of the side of your chin. Find a beat and that is your pulse, while walking you can count how many times that beats in 30 seconds multiply by 2 and that is your heart rate.
Dizzy, eyes cant follow your finger, head hurts
Explanation:
spyghmomanometer,Ecg machine,pressure pipe
Answer: Chilled at 5 degrees Centigrade (or colder)
Tuna, whether it was tinned, if not handled or chilled correctly can cause food poisoning. We must follow the instructions that once opened, it should be removed from the tin and should be consumed within two days.
Tuna should not be left unattended at room temperature. If you are preparing a tuna salad using canned tuna, it needs to be cooled to 5 degrees Centigrade (or colder within 4 hours.