Calcium

Calcium is a chemical element with the symbol Ca and atomic number 20. It is an essential mineral that plays a key role in many physiological processes in the human body.

Functions of Calcium in the Body

• Building and maintaining strong bones and teeth
• Supporting proper muscle function, including the contraction and relaxation of muscles
• Assisting in blood clotting
• Regulating the heartbeat
• Facilitating nerve transmission
• Supporting hormone secretion

Sources of Calcium

Calcium is found in a variety of foods, including:

• Dairy products such as milk, cheese, and yogurt
• Leafy green vegetables such as broccoli and kale
• Fortified foods such as fortified orange juice and cereals
• Some types of fish, such as sardines and salmon

Calcium Deficiency

A lack of calcium in the diet can lead to various health issues, including:

• Weakened bones and osteoporosis
• Tooth decay and weakened tooth enamel
• Muscle cramps and spasms
• Increased risk of fractures

Study Guide

Here are some key points to remember about calcium:

1. Calcium is an essential mineral for bone health, muscle function, and other important physiological processes.
2. Good food sources of calcium include dairy products, leafy green vegetables, fortified foods, and certain types of fish.
3. Calcium deficiency can lead to weakened bones, muscle cramps, and other health issues.
4. It is important to include an adequate amount of calcium in your diet to support overall health.

[Calcium] Related Worksheets and Study Guides:

• Bones, muscles, and skinScience • Eighth Grade