What processes maintain a steady state "resting" membrane potential?
What will be an ideal response
Both diffusion and active transport mechanisms operate within the cell membrane to maintain a resting membrane potential.
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________ centers receive information from many association areas and direct extremely complex motor activities such as speech
A) Frontal B) Integrative C) Communication D) Terminal E) Vocal
Muscle contractions of the uterine walls and ________ in the semen aid sperm cell
movement through the uterus and uterine tubes. A) prostaglandins B) estrogen C) progestins D) epinephrine
Which of the following statements is true?
a. during ventricular systole, the papillary muscles contract to keep the AV valves shut and prevent them showing up into the atria b. if you increase ESV, then you will increase SV c. If you increase heart rate, then you will increase SV d. none of the listed statements is true
At the time of implantation, the human embryo is in a stage of development known as the ________.
A. ovum B. fetus C. blastocyst D. zygote E. morula