Organs in the body help maintain homeostasis by removing wastes and distributing

1.   ?    energy
2.   ?    oxygen
3.   ?    nutrients
4.   ?    cell tissue

Why is oxygen important to blood and to the cells?

1.   ?    Oxygen helps the blood to clot.
   
   
2.   ?    Oxygen brings food to the cells.
3.   ?    Oxygen is necessary for cell growth and energy.
4.   ?    Oxygen is not important -- carbon dioxide is the most
   important substance to the body.

Oxygen, wastes, and nutrients are exchanged between the blood and the cytosol of cells through the walls of
the walls of

1.   ?    arteries
2.   ?    veins
3.   ?    ventricles
4.   ?    capillaries

The purpose of the hemoglobin molecule in red blood cells is to transport

1.   ?    Carbon Dioxide
2.   ?    Nitrogen
3.   ?    Glucose
4.   ?    Oxygen

The sac like structures in the lungs that allow for exchange of oxygen and carbon dioxide across their thin walls are called

1.   ?    bronchioles
2.   ?    trachea
   
3.   ?    bronchi
4.   ?    alveoli

When the alveoli of the lungs loose their flexibility and rupture (pop) it is called

1.   ?    emphysema
   
2.   ?    heart attack
3.   ?    paralysis
4.   ?    diabetes

The process of breaking down food into energy and nutrients is called

1.   ?    absorption
2.   ?    digestion
3.   ?    dialysis
4.   ?    filtration

The function of the kidney is to

1.   ?    maintain sugar energy levels
2.   ?    produce insulin
3.   ?    remove wastes from body processes
4.   ?    digest proteins

Which two body systems work together to remove carbon dioxide from your body?

1.   ?    nervous and cardiovascular
2.   ?    cardiovascular and respiratory
3.   ?    respiratory and digestive
4.   ?    nervous and respiratory

Which sequence most accurately represents the correct order of movement and digestive activity as food passes through the digestive tract.

1.   ?    duodenum, esophagus, small intestine + pancreas, large intestine
   
2.   ?    stomach, small intestine + pancreas, large intestine
3.   ?    esophagus, small intestine, large intestine, pancreas, colon
4.   ?    duodenum, pancreas, stomach, small intestine, large intestine

Which two systems work with the nervous system to make you run?

1.   ?    immune and excretory
2.   ?    digestive and respiratory
3.   ?    skeletal and muscular
4.   ?    circulatory and integumentary
   

In order for the body to maintain homeostasis, it must

1.   ?    remove sugar from the liver if supply in the blood is low.
2.   ?    add sugar from the liver if the supply in the blood is low
3.   ?    release oxygen from the blood is the oxygen supply in the blood is low.
4.   ?    remove sugars from the blood if the supply in the blood is low.