What is the digestive systems main function?
To break down food into nutrients
What does the immune system protect the body from?
Pathogens
What makes up the nervous system?
Brain, spinal cord, and nerves
What does the respiratory system help with
Breathing, and getting oxygen and carbon dioxide into our bodies
Skeletal Muscles...
Help with body movement
Where does the process of digestion begin?
The mouth
What is essential for preventing infections?
Proper Hygiene
True or False: Its main job is to send and receive signals throughout your body?
True
Main parts of the respiratory system are...
Nose, mouth, Trachea, Alveoli, Lungs
Smooth muscles...
Help move food and blood
What is the squeezing motion called when the esophagus moves food from the mouth to the stomach?
Peralsis
What do antibodies do?
Help recognize and neutralize specific invaders
What signals do neurons send?
Electrical signals
What are the tiny air sacs in your lungs called?
Alveoli
Cardiac muscles
NEVER GET TIRED!
What does the large intestine do?
Absorbs water and forms waste which is then eliminated from the body
What filters harmful substances from the body?
Lymph nodes and spleen
What does the nervous system effect?
Stress, Mood, and Memory
The dome-shaped muscle at the bottom of the chest
Diaphram
Muscles attached to bones with tissues are called...
Tendons
What is it called when the stomach acid flows back into the esophagus?
Acid Reflex
What cells make up the immune system
B cells and T cells
Whats a concussion
A brain injury often caused by a hard hit to the head
Smoking and air pollution can...
Damage lung tissue and airways and cause chronic disease or lung cancer
Examples of strength training
Lifting wieghts