Which of the following statements regarding the ventricles is not true?
A) Ventricles are the pumping chambers.
B) Ventricles receive blood directly from the veins, returning blood to the heart.
C) Ventricles have a thick muscular wall.
D) Ventricles pump blood into the great arteries.
B
Explanation: The atria, not the ventricles, receive blood directly from the veins, returning blood to the heart. All other choices are true.
You might also like to view...
Depolarization occurs when:
A. The membrane potential becomes less negative than the resting membrane potential. B. The membrane potential becomes more negative than the resting membrane potential. C. Cl– influx hyperpolarizes the membrane. D. The presynaptic terminal of a neuron is inhibited by another neuron. E. All membrane channels are closed, preventing the influx of Na+.
A medical term that means puncture pleura to withdraw fluid is ________
Fill in the blank(s) with correct word
A combining form that means tissue is ________
Fill in the blank(s) with correct word
The definition of an embryo is
A. the source of blood cells and future sex cells for the fetus B. the organism from the end of the second month until birth C. the organism from conception until the end of the second month D. the ball of cells that develops after fertilization to implantation in the uterus E. the organism at birth, after the delivery of the placenta