The heart has four chambers. The two upper chambers are called atria, and the two lower chambers are called ventricles. What are the two lower chambers called?
- AVentricles
- BCoronary arteries
- CAtria
- DValves
The heart has four chambers. The two upper chambers are called atria, and the two lower chambers are called ventricles. What are the two lower chambers called?
The clinic is open from 8 a.m. to 6 p.m. on weekdays and from 9 a.m. to 1 p.m. on Saturdays. It is closed on Sundays and public holidays. At what time does the clinic close on a Saturday?
The giant panda eats mostly bamboo. An adult can spend up to 14 hours a day eating, because bamboo provides little energy. Pandas live in mountain forests in central China. Why do pandas spend so many hours eating?
“After the storm, the town came together. Neighbours cleared fallen trees, shared food and checked on elderly residents.” What is the main theme of the passage?
Instructions for a blood pressure monitor: “Sit quietly for five minutes. Rest your arm on a table at heart level. Do not talk during the reading.” Which action would go against these instructions?
“Mobile clinics now travel to farming villages twice a month. Before, people had to travel three hours to the nearest doctor.” What is the main benefit of the mobile clinics?
The author writes: “People who take the stairs instead of the lift (elevator) are healthier. So, if we remove the lifts, everyone will become healthier.” What is wrong with this reasoning?
The author writes: “Students who eat lunch with friends are happier at school. Therefore, schools should give students more time for lunch.” Which unstated assumption does the argument depend on?
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