_________ are small channels that allow materials to pass from one epithelial cell to another.

A) Tight junctions
B) Gap junctions
C) Desmosomes
D) Hemidesmosomes


Ans: B) Gap junctions

Anatomy & Physiology

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What is the path of blood flow from the heart to the lung tissues and back to the heart?

A) Left ventricle ? aorta ? brachiocephalic artery ? lung tissues ? bronchial veins ? brachiocephalic vein ? superior vena cava ? right atrium B) Right ventricle ? brachiocephalic arteries ? lung tissues ? brachiocephalic veins ? inferior vena cava ? left atrium C) Right ventricle ? pulmonary trunk ? pulmonary arteries ? lung tissues ? pulmonary veins ? left atrium D) Left ventricle ? aorta ? bronchial arteries ? lung tissues ? bronchial veins ? azygos vein ? superior vena cava ? right atrium

Anatomy & Physiology

What area of retina is specialized for detailed vision?

What will be an ideal response?What will be an ideal response?

Anatomy & Physiology

The aorta contains specialized sensory nerve endings that respond to stretch of the vessel wall. These pressure-sensitive structures are called aortic arch _________

Fill in the blank with correct word.

Anatomy & Physiology

The process of oogenesis (from undifferentiated germ cell to released ovum) takes anywhere from 11 to 50 years to complete

Indicate whether the statement is true or false

Anatomy & Physiology