Our skin makes vitamin D when it is exposed to sunlight. Vitamin D helps the body take in calcium, which keeps bones strong. What does vitamin D help the body do?
- AFight off colds
- BTake in calcium
- CGrow more hair
- DDigest sugar
Our skin makes vitamin D when it is exposed to sunlight. Vitamin D helps the body take in calcium, which keeps bones strong. What does vitamin D help the body do?
Mrs. Chen’s class voted on a name for the new class fish. “Bubbles” got 12 votes, “Finn” got 8 votes and “Goldie” got 5 votes. Which name won?
Koalas live in eastern Australia. They eat mainly the leaves of eucalyptus trees and sleep for many hours each day. What do koalas mainly eat?
In a survey of 200 nursing students, 150 said they studied best in the morning, 30 preferred the afternoon and 20 preferred the evening. What percentage of the students preferred the morning?
Kelp is a type of large brown algae that grows in cold ocean water. Kelp forests provide food and shelter for many animals, including sea otters, which eat the sea urchins that feed on kelp. How do sea otters help kelp forests?
“Handwashing is the single most effective way to prevent the spread of infection in hospitals,” says a training manual. What would the manual most likely recommend next?
“In one study, people who were told a pill would ease their pain reported less pain, even though the pill contained no medicine.” What does this study illustrate?
The author writes: “Studies show that people who drink water before meals eat slightly fewer calories. Therefore, drinking water is the only thing you need to lose weight.” Why is the conclusion not supported?
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