Body systems Flashcards
What type of digestion is chemicals produced by the body breaks down the food into their smaller chemical building blocks or enzymes?
Chemical
When your body gets ready to eat and it increases the production of saliva or
Spit
Your esophagus is lined with ______
Mucus
What is the process in which food is move down the esophagus by waves of muscle contractions?
Peristalsis
What type of acid helps break down food as well as killing many bacteria that you swallow with your food. The stomach is lined with mucus to protect it from this acid
Hydrochloric Acid
Almost all _______ Digestion and _________ nutrients takes place in the small intestine
Chemical
Absorption
For digestion what does the liver produce that is a substance that breaks down fat particles and where is it stored?
Bile
Gallbladder
What does the pancreas produce that then breaks down the fat chemically
Enzymes
What are millions of tiny finger shaped structures filled with tiny blood vessels. These greatly increase surface area of the intestine making it about the size of a tennis court
Villi
The large intestine contains what this substance feeds off material passing through. This material is also helpful because it produces vitamin K
Bacteria
As remaining materials move through large intestine, what is absorbed into the bloodstream?
Water
The large Intestine ends with a short tube called the what, where the remaining waste materials are compressed into a solid form.
Rectum
One of the circulatory system’s jobs is to move substances through the blood. What is that also called?
delivering needed materials.
One of the jobs of the circulatory system is to remove _______ material
Waste
One more job of the circulatory system is to fight _______
Diseases
What is the heart
A hollow muscular organ that pumps blood throughout the body
The two upper chambers called _________ which receive blood into the heart
Atrium’s
Two lower chambers called ________ which pump blood out of the heart
Ventricles
What is an artery
An artery is a thing that carries blood away from the heart either to the lungs or body
What are the three components of blood
Plasma- The liquid part of blood
Red blood cells- part to take the oxygen for transport
White blood cells- The “soldiers” of the blood that attack Microorganisms into the body
What are the jobs of the respiratory system
Taking in oxygen
Removing carbon dioxide and water
What do cells in the nasal cavities have? And the definition
Cilia- tiny hairlike structures that sweep mucus down to your throat where you swallow and acid destroys the mucus
As they move into the lungs they divide into smaller and smaller tubes in a pattern that resembles the branches of a tree __________- in tiny sacs of lung tissue specialized for the movement of gases between air in blood lungs contain about 300 million of these which gives your lungs a huge surface for gas exchange
Alveoli
Saclike organ that inhale and exhale air. The main organs of the Respiratory system
Lungs
What is the diaphragm
I dome shaped muscle that plays an important role in breathing
What is breathing
The movement of air into and out of the lungs
Breaking down of food into small nutrient molecules I can use is called
Digestion
