Obtaining energy & Removing waste

Obtaining energy & Removing waste

by Gala K 

​Organisms need to take food to get energy and perform life processes. ..... To perform all these life processes, the organism needs energy and nutrients.

​why do organisms eat or need food ?

​What is Calories & nutrient & 7 nutrient ?

​A Calorie is the amount of energy it takes to raise the temperature of 1 kg of water by 1°C. nutrient are parts of food that used by the body to grow and survive carbohydrates, proteins, fats, vitamins, minerals, Roughage and water.

​How does Digestion work

​Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules

​The excretory system collects and eliminates wastes from the body and regulates the level of fluid in the body Villi are fold of small intestine are covered with fingerlike projection.

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The small intestine is about 20 feet long and about an inch in diameter. Its absorb most of the nutrients from what we eat and drink. The large intestine is about 5 feet long and about 3 inches in diameter. The colon absorbs water from wastes, creating stool

​What is photosynthesis short answer ?

is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.​

Multiple Choice

what is the amount of the energy ?

• Nutrient

• calorie

• Esophagus

• Organs

Fill in the Blank

Photosynthesis use sunlight carbon Dioxide and ?

Multiple Select

7 nutrient are ?

• Water

• Carbohydrate

• Calorie

• Proteins

• sweet

Fill in the Blank

Villi are folds with ----- intestine

Multiple Select

what is the types of Digestion ?

• mechanical

• physical

• Cardiac

• chemical

​thankyou thats the end .....

​ I hope you Enjoy <3