digestive
What do the mouth do in the digestive system?
It chew food into parts, mix it with saliva, and breaks it down. Saliva containbs an enzyme named salivary amylase that aids in the breakdown of starch into sugar.
What do white blood cells do？
Fight bacteria, viruses, and other invaders of your body.
What is heart made of?
It is made of cardiac muscle tissue.
What is the respiratory system?
The respiratory system is involved in the intake and exchange of oxygen and carbon dioxide between and organism and the environment.
What are the main organs of the respiratory system?
Lungs
What is exactly digestion?
Digestion is the process that breaks down food into smaller molecules so that they can be absorbed and moved into the blood.
What are red blood cells?
They are a type of ceels that are disk shaped, have no nuclei, and contains hemglobin.
What are the two atria?
They are the two uuper chambers of the ehart that contract at the same time during a heartbeat.
Where do air enters the respiratory system?
Mouth and nose
What occurs when your diaphragm?
Inhalation
What do enzymes do in the digestive system?
They help break down the large molecules into smaller molecules. They also speed up, or catalyze, the rate of chemical reactions.(Enzymes do not change in the process.）
What is pulmonary circulatory?
It is the flow of blood through the heart to the lungs and back to the heart.
What are the two ventricles？
They are the two lower chambers of the heart that contract at the same time during a heartbeat.
What is the tubelike passageway at top of throat?
Pharynx
What are the smallest tubes inside lungs?
Bronchioles
What do the stomach do in the digestive process?
It mix the food with enzymes and gastric juice in order to digest the protein and destroy bacteria.
What is the systemic circulation?
It is the largest parrt of circulatory system, in which oxygen-rich blood flows to all the organs and body tissues, except the heart and luungs, and oxygen-poor blood is returned to the heart.
What is coronary circulation?
It is the flow of blood to and from the tissues of the heart.
What is the voicebox?
Larynx
What are the two tubes that branch from trachea and lead into lungs?
Bronchi
What is "bile"?
Bile is a digestive solution produced by the liver and stored in gallbladder. This solution can break up fat because it is made up of bicarbonate ions and enzyme from the pancreas is added to do chemical digestion of carbohydrate, proteins, and fats.
Which type of blood can recieve donation from all types of blood?
type AB
Which type of blood can deliver to any type of blood?
type O
What is the air-conducting tube that connects the larynx with the bronchi?
Trachea
What are the microscopic pouches inside lungswhere gas exchange occurs?
Alveoli