What is external respiration?

A. the binding of oxygen to hemoglobin
B. exchange of oxygen and carbon dioxide at the tissue level
C. exchange of oxygen between the atmosphere and lungs
D. mitochondrial use of oxygen to produce energy


Answer: C. exchange of oxygen between the atmosphere and lungs

Anatomy & Physiology

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Within what structures are the lateral ventricles located?

What will be an ideal response?

Anatomy & Physiology

Which of the following would MOST likely cause Cushing syndrome?

A) Abrupt termination of steroids such as prednisone and hydrocortisone B) Administration of large amounts of methylprednisolone to an asthma patient C) An acute decrease in cortisol secretion secondary to an infection or malignancy D) Underuse of corticosteroids for illnesses such as rheumatoid arthritis and asthma

Anatomy & Physiology

The ultrasound machine can provide details of the internal structure and density of an organ

Indicate whether the statement is true or false

Anatomy & Physiology

What type of chemical messenger is released from neurons to activate an adjacent cell?

A. paracrine B. neurotransmitter C. autocrine D. endocrine

Anatomy & Physiology