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
- BAtria
- CValves
- DCoronary arteries
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?
Polar bears live in the Arctic. Their thick fur and a layer of fat keep them warm in freezing temperatures. They hunt seals on the sea ice. What do polar bears mainly hunt?
An email reads: “Hi team, the staff meeting has moved from Monday at 2 p.m. to Tuesday at 2 p.m. It will still be held in Room 4. Thanks, Dana.” What has changed about the meeting?
Since the city added bike lanes on Main Street two years ago, the number of cyclists on that street has tripled, and accidents involving cyclists have fallen by half. Which conclusion is best supported by the passage?
The new medication reduced headaches in 70 percent of patients in the trial. However, 15 percent of patients reported stomach upset. What is the purpose of the second sentence?
Paragraph: “Many students struggle to focus at home. Phones buzz, family members talk, and the TV is often on. A quiet library can be a better place to study.” What is the author’s main point?
“Ten patients tried a new sleep app. Eight said they slept better. The app company now claims: ‘Proven to cure insomnia!’” Why is the claim not justified?
The dosage chart reads: “Weight 10–14 kg: 5 mL. Weight 15–19 kg: 7.5 mL. Weight 20–29 kg: 10 mL. Give every 6 hours as needed, no more than 4 doses in 24 hours.” A child weighs 18 kg. What is the most this child may receive in 24 hours?
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