Answer: Circuit training builds your aerobic, or cardiovascular, endurance, too! “Your cardiorespiratory system has to work harder to keep up with the relentless demand for energy from your working muscles as you perform back-to-back exercises,” he says.
Explanation:
The answer should be the "small intestine." 90% of digestion takes place in the small intestine and that's because that's during the process of digestion the small intestine sucks all of the nutrients out of the food then passes off the waste. Digestion starts as soon as you put food in your mouth because your saliva contains chemicals that breaks the food down.
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Answer: Before about week 8 of pregnancy, a doctor may refer to the fetus as an embryo. The heart of an embryo starts to beat from around 5–6 weeks of pregnancy. Also, it may be possible to see the first visible sign of the embryo, known as the fetal pole, at this stage.
That is false. No one starts doing drugs with the conscious decision to become an addict.
