The main function of the nervous system
What is to quickly send messages between the body and the brain?
What are:
involuntary movements, voluntary movements, maintain posture, produce heat, or move substances through the body.
The function of the respiratory system.
what is move oxygen into the body and carbon dioxide out of the body?
The function of the digestive system.
What is to break down food so it can be absorbed into the blood.
The function of the circulatory system.
What is to carry oxygen and nutrients to all the cells of the body?
The type of muscle that is responsible for voluntary movements in the body.
What is skeletal muscle?
The name of the muscle that pulls air into the lungs when it contracts.
What is the diaphragm?
The name of the tube that connects the mouth to the stomach.
What is the esophagus?
The heart is made of this type of muscle.
What is cardiac muscle?
The part of the brain responsible for decision making, voluntary movements and memories.
The two types of muscles that are involuntary.
What cardiac muscle and smooth muscle?
The part of the respiratory system that contains the voice box allowing humans to speak.
What is the larynx?
The part of the digestive system where most of the nutrients are absorbed into the blood.
What is the small intestines?
These types of blood vessels carry blood AWAY from the heart.
What are arteries?
A type of nerve cell the senses changes in the environment, like the cells at the back of the eye that sense light.
What is a sensory neuron?
Describe what happens to muscles when they contract.
What is that muscles get shorter?
The smallest part of the respiratory system where carbon dioxide leaves the body and oxygen enters the body.
What are the alveoli?
The parts of the digestive system that do mechanical digestion.
What are the mouth and stomach?
The name of the top two chambers of the heart.
What are the atria (atrium)?
A type of nerve cell that sends messages from the spinal cord to muscles telling them to contract and move the body.
What are motor neurons?
The name of the chemical muscles uses when they contract.
What is ATP?
The fluid in the body that carries carbon dioxide to the lungs and oxygen out of the lungs.
What is blood?
What are the mouth, stomach, and small intestines?
The heart pumps blood to these organs where the blood drops off CO2 and picks up O2.
What are the lungs?