Which substance is responsible for activating the digestive enzymes inside lysosomes?

A) water
B) base
C) air
D) acid
E) enzymes


D) acid

Anatomy & Physiology

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Vasoconstriction refers to a decrease in the radius of a vessel

Indicate whether the statement is true or false

Anatomy & Physiology

Olfactory receptor cells are modified bipolar neurons that bear olfactory hairs

Indicate whether this statement is true or false.

Anatomy & Physiology

What is the role of calcium in skeletal muscle?

A) binding with the troponin to remove contraction inhibition B) forming hydroxyapatite crystals C) re-establishing glycogen stores D) None of the listed responses is correct.

Anatomy & Physiology

Sympathetic stimulation of the terminal bronchioles causes

A) secretion of less surfactant. B) an increase in blood supply to these areas. C) bronchodilation. D) bronchoconstriction. E) no changes; there is no parasympathetic innervation of these structures.

Anatomy & Physiology