The bones that form the skeleton are made of an organic matrix—collagen, and inorganic crystals of calcium and phosphate, plus water. The bones are made to support the body's weight as well as quite larger stresses. Collagen is responsible for bone's great elasticity and the inorganic ...
根据第三段横线后“Bones are mostly made of calcium and other minerals.Bone-building cells get these things from the food you eat.(骨头大部分是由钙和其他矿物质组成的。造骨细胞从你吃的食物中获得这些东西。)”,可知本段是讲述要吃含钙和矿物质的食物,A项:不要吃太多垃圾食品;B项:注意你吃的食物;...
Video Transcript SPEAKER Osteoporosis is a disease that makes your bones thin and weak. Normally your body is constantly replacing old bone tissue with new bone tissue, which is made of calcium and collagen. Osteoporosis happens when your body removes old bone too quickly or doesn't make new ...
They contain large amounts of calcium. The inside of the bone is light and made of a spongy like substance. The outside of the bone is very hard. Bones protect organs, store minerals (such as calcium, iron, magnesium), produce blood cells, and of course allow for movement in conjunction...
Some of the bones are mainly made of cartilage(软骨). As a person grows, the cartilage in his or her body grows too. Over time, most of it slowly turns into hard bones with the help of calcium(钙). This is called ossification(骨化). Ossification usually finishes when you are more ...
1Calcium makes your bones and teeth strong.钙能使你的骨骼和牙齿坚固。【用法】句中的形容词strong用在your bones and teeth后作宾语补足语。动词make后面可以加名词、代词、不带to的不定式、形容词、过去分词等词语构成的复合结构。【举例】①We made Bill our monitor.我们选比尔当班长。②The boss makes the...
- Among these inorganic components, calcium phosphate is the most abundant, making calcium salts the primary constituent of the bone matrix. Step 5: Conclusion- Therefore, the matrix of bones is mainly made up of calcium salts. Final Answer- The matrix of bones is mainly made up of calcium ...
1. Consume enough calcium You probably know that calcium is important for developing bones, but it’s just as crucial in preventing bone loss later on in life. The recommended dietary allowanceis 1,000 milligrams of calcium per day for adults ages 19-50 and men and individuals assigned...
III. 语法句型运用。1.钙使你的骨骼和牙齿强壮。Calcium makes your bones and teeth strong.2.你想尝试(做)一份水果沙拉吗?Would you like to try a fruit salad?3.对于我们而言,保持均衡的饮食是重要的。It's important for us to keep a balanced diet.4.在你看来,什么是健康而均衡的饮食?In your ...
: a hard material which is largely calcium phosphate and of which the skeleton of most vertebrate animals is formed also : one of the hard parts in which this material occurs break a bone b : a hard animal substance (as baleen or ivory) similar to bone 2 : a cause of disagreemen...