List, in order, the structures of the respiratory membrane that carbon dioxide must cross to move from the blood into an air sac of the lung.

What will be an ideal response?


The carbon dioxide must pass through the pulmonary capillary endothelium, then the fused basement membrane, then the squamous cell of the alveolar wall.

Anatomy & Physiology

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Simple goiter is most prevalent where the soil lacks

A. vitamins. B. potassium. C. iodine. D. organic matter.

Anatomy & Physiology

An accumulation of pus is called a(n) ________________________________________

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following systems shows the least overall decline due to aging?

A. Reproductive system B. Urinary system C. Endocrine system D. Muscular system E. Integumentary system

Anatomy & Physiology

About 3%-5% of school-aged children are diagnosed with attention deficit hyperactivity disorder (ADHD). This neurobehavioral problem is anatomically linked, primarily, to which area of dysfunction in the brain?

A. basal nuclei B. pituitary gland C. prefrontal cerebral cortex D. both basal nuclei and pituitary gland E. both basal nuclei and prefrontal cerebral cortex

Anatomy & Physiology