If you are talking about heart rate zones, it would be best to stay within the aerobic zone which is about 70%-80% of your maximum heart rate and you are able to sustain the exercise effort for a long period of time and gain more health benefits of improving your cardiovascular self.
Answer:
Both miscarriage and stillbirth describe pregnancy loss, but they differ according to when the loss occurs. In the United States, a miscarriage is usually defined as loss of a baby before the 20th week of pregnancy, and a stillbirth is loss of a baby after 20 weeks of pregnancy.
Explanation:
Miscarriage is when an embryo or fetus dies before the 20th week of pregnancy. Miscarriage usually happens early in your pregnancy — 8 out of 10 miscarriages happen in the first 3 months. Lots of people experience this kind of pregnancy loss. In fact, 10-20% of pregnancies end in miscarriage. Stillbirth is the delivery, after the 20th week of pregnancy, of a baby who has died. Loss of a baby before the 20th week of pregnancy is called a miscarriage. A baby is stillborn in about 1 in 200 pregnancies.
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Answer:
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.
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Answer:
Your retinas will burn
Explanation:
The sun can cause damage and blindness don't do it.
