This organ lies behind the stomach. It produces most of the digestive enzymes, and is important for regulating blood glucose levels.

This flap of cartilage prevents food from entering the trachea.

The largest reservoir of blood is found in these vessels.

RBCs carry loads of this protein. In fact, they most likely lost their nuclei to carry more of it. It serves to carry oxygen, and even a little CO2.

This enzyme aids in digesting carbohydrates.

The upper hump-shaped area of the stomach nearest the esophagus is called this.

These two passageways carry air between the trachea and bronchioles.

This muscle tissue allows arteries to constrict and dilate? Processes known as vasoconstriction and vasodilation.

An immobile clot. Opposite an embolus.

These work to increase the surface area of the small intestine, thereby increasing absorption.

This valve is where undigested remains from the small intestine enter the large intestine.

This occurs when the diaphragm and the intercostal muscles contract.

This circulatory circuit is between the heart and the tissues of the body.

Approximately 90% of plasma is this substance.

Enzymes do not undergo a conformational change in this model of how enzymes interact with substrates.

HCl and NaHCO3 are important for regulating this, making sure it is just right for certain enzymes.

Proper ventilation of the lungs is required to maintain this. Thus preventing equilibrium between the alveoli and the blood.

If someone is said to be experiencing tachycardia, their heart rate must be above this number.

People who are B- would develop these two types of antibodies if exposed to the corresponding antigens.

This is the number of sphincters present in the anus.

These inorganic molecules help enzymes function

This type of circulation occurs between alveoli and the blood.

These vessels experience the highest pressures. That is, the occur closest to the heart.

The process where erythrocytes stick together without the protein fibrin is called this.

This sphincter regulates the entry of food into the stomach.