Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
Explain the need for nutrition by living organisms.
Member rating:
(5 votes)
| Words:
| Submitted: Wed Oct 15 2003
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
BIOLOGY ASSIGNMENT 1) EXPLAIN THE NEED FOR NUTRITION BY LIVING ORGANISMS. Nutrition is the science of how our bodies obtain energy, build tissue, and control body functions using materials supplied in the food we eat. Nutrients are chemical substances needed by the body. The need for nutrition by living organisms is essential for survival in the sense that it provides energy and material for growth and repair and for the general function of the human system and its maintenance. Different foods we eat contain at least one of the seven major nutrients namely; carbohydrate, protein, fats, vitamins, minerals, roughages and water. There are two types of nutrition Heterotrops and Autotrops - We are unable to make our own food from the sun as plants do. We get our food by eating plants or other animals. Our bodies need food for a variety of reasons: Growth: Food, especially proteins, makes new cells and tissues...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 146,166 others
Receive email updates for this category
- Simply tell us your email address and receive a weekly Study Help Email for FREE
- Receive 3 FREE essay views with each email
- Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk
