The human body and interaction

José Ángel

The three vital functionsExist three functions:-Nutrition-Interaction-Reproduction

The human body and nutrition: -The digestive system: Breaks down the food into molecules the body absorb. The stomach and the intestines are there organs.

-The respiratory system: Absorbs oxygen to the body. The lungs and the trachea are the organs.

-The circulatory system: Transport blood all over the body. The heart is the organ. -The excretory system: Eliminates the waste of our body produce. The kidneys is the organ. -Healthy habits:Eat, exercise, keep clean, have a good posture, spend time with the family and friends.

The interaction functionTypes of Stimuli-External Stimuli:Are the changes that happen in our enviroment outside the body. Our sensecapture these stimuli and send a message to the brain.-Internal Stimuli:Are the changes inside our body. The receptor organs receive these stimuli.Send message to the brain.

1. Stimulus-sensation 2.Processing information

A stimulus is any action or change The body sends information of in our environment. the sensation to the brain.

3. Response The order becomes a response to the stimuli and say to the body.

Types of responsesMotor responses: Gladular responses:Happen when muscles move. Happen when organs called glands produce a substance.