What is organ?
a body structure composed to different kinds of tissue that work together
What is a stimulus?
A change in the environment that a organism reacts in a different way
What is homeostasis?
When your body remains stable with everything around you changing
What is a hormone and how is it taken through the body
a chemical released by an endocrine gland and its taken out by the circulatory system around the body
What are capillaries?
When blood vessels keep dividing until they become the smallest they can. they include nutrient and pass by cells.
what is tissue?
group of similar cells that perform the same function
what does your body do when you need energy?
Hormones from the endocrine system signal your nervous system to feel hungry.
What is an epithilial tissue
A tissue that protects your inner organs
what are nutrient?
substance in the food that provide the raw materials the body cells need to carry out all the essential proceses
What are the 6 nutrients that are vital for survival
carbohydrate, proteins, fats, vitamins, minerals, water
what is organ system?
an organ system is a group of organs that work together
What is a response??
a change in behavior because of stimulus
What is a gland?
An organ that produces chemical and realeases it through a tiny tunnel called duct or straight into the bloodstream
What is the purpose of your immune system?
It fights off bacteria and viruses
What does the digestive system do?
the digestive system break down food into nutrients
How is your body organized?
Into systems that work together
whats digestion?
when your body breaks down food into small nutrients
what is saliva
Saliva is a fluid that help digest food.
what body parts does the digestive system consist of
mouth, eophagus, stomach, pancreas, large intetine, small intestine
What is stress
the response to something potentially threatening, disturbing or scary
what is the difference between mechanical digestion and chemical digestion?
Mechanical digestion when you digest food with physical movement. Chemical digestion is when you digest food using enzymes.
what is enzymes?
protiens that peed up chemical reaction in the body
what is peristals?
when waves of smooth muscle contractions that move food through the esophagus toward the stomach