Circulatory
System
System
Do veins carry oxygen-rich blood away from the heart? If veins do not carry oxygen-rich blood, which vessel carries oxygen-rich blood?
No, veins do not carry oxygen-rich blood away from the heart. The vessel that does are the arteries!
When food is broken down in the mouth and stomach, it is called ______ digestion.
When food is broken down in the mouth and stomach, it is called mechanical digestion.
Homeostasis in the human body is often maintained by a _______.
Homeostasis in the human body is often maintained by a negative feedback loop.
The lungs are not apart of the respiratory system.
True or False
False, the lungs are apart of the respiratory system.
White cells fight off ______ and ______.
White cells fight off infections and diseases.
Name the three vessels in the circulatory system.
Hint; You already heard two of them before.
Veins, capillaries and Arteries are the three vessels!
When food is broken down with acid (HCL) and enzymes, it is called _____ digestion.
When food is broken down with acid (HCL) and enzymes, it is called chemical digestion.
What is another word to describe homeostasis?
Another word to describe homeostasis is stable.
The trachea branches out into 2 tubes called the bronchi.
Is the brain apart of the digestive system?
The brain is not apart of the digestive system.
Which organ is the main organ in the circulatory system?
The heart is the main organ in the circulatory system.
Bile is created in the liver and stored in the _________.
Bile is created in the liver and stored in the gallbladder.
Whenever we're cold, we shiver to increase the body temperature.
When air goes through the windpipe, it is also known as the _______.
When air goes through the windpipe, it is also known as the trachea.
The evaporation of a liquid to cool off the body is called _____.
The evaporation of a liquid to cool off the body is called sweat.
Ventricles and atria prevent blood from flowing in the wrong directions because they are ____.
Ventricles and atria prevent blood from flowing in the wrong directions because they are structures in the circulatory system.
What are the 3 main nutrients that can be broken down from food?
The 3 main nutrients that can be broken down from food are Carbohydrates (Sugar/starches), Proteins, and Fats.
Homeostasis is the _____________ of a relatively stable internal environment and often incorporates a form of feedback regulation.
Homeostasis is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation.
What are air sacks in the respiratory system called?
The air sacks in the respiratory system is called alveoli.
Shivering is a ________ contractions of muscles trying to warm up.
Shivering is a involuntary contractions of muscles trying to warm up.
Pulmonary arteries are the only artery to carry _____ with low ______ levels.
Pulmonary arteries are the only artery to carry blood with low oxygen levels.
What are the 3 functions in the digestive system?
The 3 functions in the digestive system is breaking down food into useful nutrients, Absorption = move nutrients, and Elimination = removing leftover waste.
Thermoregulation is the term for maintaining _______ __________.
Thermoregulation is the term for maintaining internal temperature.
The bronchi goes into the lungs and branch out into ________.
The bronchi goes into the lungs and branch out into bronchioles.
When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.
True or False
This is true. When you are cold, you shiver and your blood vessels contract which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.