Digestive System
The primary function of the digestive system is...
Absorb Nutrients from Food
The primary function of the respiratory system is...
To absorb oxygen and release carbon dioxide
The primary function of the circulatory system is...
To transport nutrients and oxygen to the parts of the body.
True or False: Nicotine makes smoking addictive.
True
A multicellular organism is one that...
Has many cells
This organ has a strong acid that begins chemically digesting food.
Stomach
Often called the "windpipe", this is the name of the main pathway of air to your respiratory system.
Trachea
The veins are blood vessels that send blood in which direction?
Towards the heart
The measurement taken for how much force is exerted on the outside of artery and vein walls by blood.
Blood Pressure
Which of the following terms represents the LARGEST unit of organization:
Cell, Organ, System, Tissue
System
The large intestine primarily absorbs excess ___________ from digested food.
Water
The name of the muscle that is below the lungs. It expands and contracts to facilitate breathing.
Diaphragm
These blood vessels (pathways for blood) are the thickest as they are under the most pressure
Arteries
In individuals who have abused alcohol for long periods of time, we observe Cirrhosis, extensive damage to THIS organ
Liver
The process that oxygen and food is transferred to human systems. From high concentration to low concentration.
Diffusion
The small hair-like structures in the small intestine responsible for food transfer
Villi
The site of connection between the respiratory system to the capillaries of the circulatory system.
Alveoli
Which of the following would have OXYGENATED blood:
Aorta, Pulmonary Arteries, Vena Cava
Aorta
Carbon Monoxide in cigarettes harms the functioning of the respiratory system in this way.
It binds with blood taking the place of oxygen.
The LIQUID part of your blood that ensures cells are transported throughout the body.
Plasma
Where the stomach, pancreas and gallbladder assist with chemical digestion, the teeth inside the mouth help primarily with _________________________
Mechanical Digestion
This part of the respiratory system gains its name from the Greek meaning "branches"
Bronchi/Bronchioles
Which cells of your blood stream are responsible for fighting infection and disease?
White Blood Cells
Mr. Wood feels that the term "Heartburn" is poorly named as the condition has nothing to do with the heart. Where is heartburn actually felt, and what causes it.
Esophagus
Caused by stomach acid
Alveoli are grouped in clusters of many small cells. They use many small groups instead of one big cell because...
Small cells increase their surface area making them more effecient.