Students should rec-ognize photosynthesis as the primary source of energy in coral reef systems and the role of the algae living within the coral tissues (zooxanthellae). Ask students to identify organisms that could provide an energy source for their miniature coral reef ecosystem.
Requirement: Iron which is considered to be a trace mineral also plays a vital role to perform various body functions. Healthy body requires sufficient amount of iron. Everyday our body requires around 10 mg to 18mg of iron. 70% of iron is stored in hemoglobin and 26% of it is stored in liver, spleen and bones. Importance: Iron is a mineral which is responsible for the conversion of blood sugar into energy.
The body needs calcium to maintain strong bones and to carry out many important functions. Almost all calcium is stored in bones and teeth, where it supports their structure and hardness. The body also needs calcium for muscles to move and for nerves to carry messages between the brain and every body part.In addition, calcium is used to help blood vessels move blood throughout the body and to help release hormones and enzymes that affect almost every function in the human body.he body needs calcium to maintain strong bones and to carry out many important functions. Almost all calcium is stored in bones and teeth, where it supports their structure and hardness. The body also needs calcium for muscles to move and for nerves to carry messages between the brain and every body part.