The hearts nodal cells have a more negative resting potential than neurons do, because nodal cells lack leak channels for sodium and potassium ions
Indicate whether this statement is true or false.
FALSE
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The nervous system serves a major role in body movement by controlling receptors that cause skeletal muscle to contract.
Answer the following statement true (T) or false (F)
Circulation can be split into two systems: ________ circulation, from the heart to the lungs and back to the heart, and ________ circulation, from the heart to the body tissues and back to the heart.
A. pulmonary; systemic B. systemic; pulmonary C. arterial; venous D. venous; arterial
Pancreatic juice contains enzymes such as ________ that help digest proteins.
A. sodium bicarbonate B. RNA and DNA C. nuclease D. chymotrypsin and trypsin
Passive membrane transport processes include ________.
A) movement of a substance down its concentration gradient B) movement of water from an area of low concentration to an area of high concentration C) consumption of ATP D) the use of transport proteins when moving substances from areas of low to high concentration