Circulatory System
What does the circulatory system do?
It moves oxygen and nutrients to the body and takes away waste.
What muscle helps you breathe by moving up and down?
The diaphragm.
What is the job of the stomach in digestion?
To break down food using acids and muscles.
What do skeletal muscles do?
They help you move your bones.
What is the main job of the brain?
To control the body and process information.
Why are arteries thicker than veins?
Because they carry blood that the heart pumps out with strong pressure.
What is the name of the tube that carries air to your lungs?
The windpipe (trachea).
How do the liver and pancreas help digestion?
They make chemicals that break down food.
What does bone marrow do?
It makes blood cells.
What helps you feel things like touch or temperature?
Your nerves.
What carries blood away from the heart?
Arteries
What do the bronchi and bronchioles do?
They carry air from the windpipe to the lungs.
Why might someone with celiac disease have trouble getting nutrients?
Their small intestine is damaged (the villi).
Why do muscles get sore after exercise?
They get tiny tears and then get stronger.
Which part of the brain helps with balance?
The cerebellum.
What happens if you don’t have enough red blood cells?
Your body gets tired because it doesn’t get enough oxygen.
What do you breathe out? WWhat do you breathe out?
Carbon dioxide
Where does most digestion and nutrient absorption happen?
In the small intestine.
Why do adults have fewer bones than babies?
Some bones join together as we grow.
What do sensory nerves do?
They send information from the body to the brain.
What carries blood back to the heart?
Veins
Which two body systems work together to bring oxygen to cells?
The respiratory system and the circulatory system.
What helps break down food in your mouth?
Saliva (I will not be accepting spit)
Which system tells muscles when to move?
The nervous system.
What do motor nerves do?
They tell muscles to move.