20 teeth
By the time the embryo is eight weeks old, there are ten buds on the upper and lower arches that will eventually become the primary dentition. These teeth will continue to form until they erupt in the mouth.
The chance of them surviving is 80-90 Percent. They have a 10 percent of having long term health problems
Answer:
I'm not a doctor but this might be something called costochondritis it's a pain of the cartilage that attchs the ribs to the breast bone. It's one of the most common causes of chest pains in kids and teens. Usually this is harmless and goes away on its own after 2 or 3 days. Could be cause because of a injury or repeated coughing (which can happen due to infections). Usually the pain does get worse when you take deep breaths cough move the upper body or press on the affected area. You might be thinking it's due to some heart problems however this is unlikely
Heart attack pain is usually more widespread and felt in other parts of the body. As I said before I'm not a doctor however some possible ways to reduce pain is to apply a warm compress or a heating pad on afectted area. Stay of vaping. If the pain doesn't go away or if it gets a lot worse ask your parents again to go to the doctor. It might also possibly be due to gas build up inside you you stay of things like fast food for a bit. Hope this helps
Warm up exercises are important because they reduce the risk of injury.5 points that are important for warming up are :-
1) Warming up helps the body to deliver oxygen to the travail muscle groups.
2) Warming up will increase vital sign, that reduces the prospect for muscle and sinew injuries.
3) A five minute readying will increase blood flow to the travail muscles. A larger level of blood reaching the muscles concerned within the activity aids within the delivery of the vital fuels (e.g., glucose and free fatty acids) needed for energy production.
4) Warming up will increase the suppleness of the muscle, thereby enhancing the mechanical potency and power of the travail muscles.
5)An applicable readying prepares the vascular system for the approaching (more strenuous) physical activity. Warming up helps to confirm that the cardiovascular system (heart and blood vessels) is given time to regulate to the body’s enhanced demands for blood and oxygen.
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