The alveolar wall is ____________________ (how many?) cell layer(s) thick. The wall of the pulmonary capillaries surrounding an alveolus is cell ____________________ (how many?) layer(s) thick

Fill in the blank(s) with correct word


one, one

Anatomy & Physiology

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The humerus articulates with the radius at the

A. medial epicondyle. B. lateral epicondyle. C. capitulum. D. radial fossa. E. trochlea.

Anatomy & Physiology

These muscles extend from a superior rib inferomedially to the adjacent inferior rib. They elevate the ribs upon contraction, thereby increasing the transverse dimensions of the thoracic cavity during inhalation.

A. External intercostals B. Scalenes C. Transversus thoracis D. Internal intercostals E. Serratus posterior inferior

Anatomy & Physiology

Which of the following is not under dual control of the ANS?

A. Pupil diameter B. Heart rate C. Salivary gland activity D. Adrenal medulla activity E. Gastrointestinal motility

Anatomy & Physiology

Which tissue type is responsible for propelling food along the digestive tract?

A) Epithelial B) Connective C) Nervous D) Muscle

Anatomy & Physiology