Which type of information can graded potentials convey to the central nervous system?

A) Size of environmental change
B) Same information as action potentials
C) Length of signal sent and received
D) Amount of electricity generated


A

Anatomy & Physiology

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What type of tissue has little extracellular matrix because it forms covering and lining layers for body structures?

A. connective B. epithelial C. muscle

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Vaults are non-membranous organelles shaped as ____

a. hexagons b. pentagons c. octagons d. decagons e. dodecagons

Anatomy & Physiology

____________________are local chemical messengers whose effect is exerted only on neighboring cells in the immediate environment of their site of secretion

Fill in the blank(s) with correct word

Anatomy & Physiology

In the reversible reaction, CO2 + H2O ? H2CO3 ? H+ + HCO3- , a decrease in respiration rate will increase the concentration of CO2 in the blood. What will this do to the amount of H+ in the blood?

A. H+ will decrease. B. H+ will increase. C. H+ will be unchanged.

Anatomy & Physiology