What is the name of the movement Edison observed?
Sneeze
Why do people sneeze?
Sneezing is our body´s way of removing an irritation from our nose.
Name the four body systems are involved in the process of nutrition.
Digestive system. Respiratory system. Circulatory system Excretory system.
Which two processes of nutrition are related to the respiratory system?
Obtaining oxygen and eliminating carbon dioxide.
Explain why humans can´t take in nutrients directly from the outside environment.
Humans are multicellular organisms, so most of our cells do not have direct access to the outside environment.
What is the main function of sweat glands?
The main function of sweat glands is temperature regulation.
Name the three reasons why we need food to fuel our bodies.
1. Energy 2. Growth 3. Repair.
What are the two main functions of the digestive system?
1. Turns the food we eat into nutrients 2. Moves the undigested waste material out of the body
Name the four basic stages in the digestive process.
1. Ingestion 2. Digestion 3. Absorption 4. Egestion.
Can you name the SIX parts of the digestive tract?
1. mouth 2. pharinx 3. oesophagus 4. stomach 5. small intestine 6. large intestine
Can you name the THREE accessory glands?
1. salivary glands 2. liver 3. pancreas.
Can you explain the difference between ingestion, digestion and egestion?
INGESTION is the intake of food. DIGESTION is the mechanical and chemical break down of food EGESTION is the elimination of substances that can´t be absorbed
Are the muscles in the digestive track voluntary or involuntary?
Involuntary
What is the largest internal organ of the body?
Liver
Why is bile necessary in our bodies?
Bile is necessary for the digestion of fats.
What is the function of the gallbladder?
To store bile
