True, you should eat approximately two cups of vegetables per day.
Although it depends on the person you are and if you work out of not, you will need more or less intake of vegetables, but the lowest you need is two cups a day. For girls, active or not, they need at least 2 1/2 cups of vegetables per day. For guys, active or not, they need at least 3 cups of vegetables per day.
You may not be flexible and hurt your key badly and can lead to a lot of pain
Short answer:
Valve which permits blood to flow from the right atrium to the right ventricle is tricuspid valve
Long answer:
The right side of the heart has lower pressure compare to the left side. There is a valve that support the lower pressure so the blood can move easily from the right atrium to the left ventricle. The valve is called tricuspid valve. It's called "Tri" because there are 3 flaps/leaflets on the valve.
For your information, the left side of the heart only has 2-leaflet valve, which make smaller circular opening compare to the 3-leaflet valve on the right side. That's because the left side has higher pressure than the right side.
The large intestine makes bacteria that produce vitamins
