Foods rich in calcium are important for ___. A. strong bones B. good eyesight C. healthy skin D. strong muscles 相关知识点: 试题来源: 解析 A。富含钙的食物对强壮骨骼很重要。选项 B“good eyesight”是良好的视力,钙与视力关系不大;选项 C“healthy skin”是健康的皮肤,钙对皮肤的作用较小;选...
Brittle bones are often a sign of insufficient ___. A. iron B. calcium C. protein D. vitamin C 相关知识点: 试题来源: 解析 B。解析:脆骨通常是钙不足的标志。铁与贫血等有关;蛋白质与身体组织有关;维生素 C 与免疫力等有关。反馈 收藏 ...
Foods rich in calcium are good for our ___. A. heart B. lungs C. bones D. liver 相关知识点: 试题来源: 解析 C。富含钙的食物对我们的骨骼有好处。选项 A 心脏、选项 B 肺、选项 D 肝脏都不是富含钙食物主要影响的部位。反馈 收藏
How Our Bones Are Linked to Calcium from Exploding StarA new type of exploding star that gives rise to vast amounts of calcium - which could end up being incorporated into our bones - has been discovered in a nearby galaxy by astronomers....
The dog eats bones. Bones are good for dogs because they provide ___. A. calcium B. sugar C. color 相关知识点: 试题来源: 解析 A。狗吃骨头,骨头对狗有益是因为骨头提供钙。选项 B 糖不是骨头主要对狗健康有益的物质。选项 C 颜色不是骨头对狗健康有益的原因。反馈...
1.Young children should have about 800 milligrams a day.But between ages 9 and 18, when bone growth speeds up, that should almost double. That's about three cups of milk together with calcium-rich foods, such as broccoli and cheese. ...
阅读下面短文,将短文中画线部分的句子译成中文。 Building strong bones needs calcium(钙)vitamin D and exercise starting in childhood. Here are guidelines on how much calcium and vitamins youngsters need: 1
The adult human skeleton is made out of 206 bones in total. The bones are classified based on their posture and contour. The first ones are long bones...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our ex...
Milk, cheese and yogurt are great sources of calcium 钙which makes teeth and bones strong. You need to make sure you have some every day.Meat, fish, eggs and beans give us protein, vitamins and minerals 矿物质)which help us grow strong and healthy-you need some of these every day too...
red blood cells. Bone formation begins in the embryonic stage and humans reach peak bone mass during early adulthood. A healthy diet containing adequate calcium and exercise helps maintain bone health. Human skeletons can be segmented into 10 bones in the body with more than 20 major bones. ...