Systole refers to:
A) contraction of atria or ventricles
B) relaxation of atria or venticles
C) contraction of atria only
D) relaxation of ventricles only
Answer: A) contraction of atria or ventricles
You might also like to view...
An immunoglobulin molecule is an antigen secreted by T lymphocytes.
Answer the following statement true (T) or false (F)
During the recovery period of the body's need for oxygen is increased because
A. additional oxygen is required to metabolize the lactic acid produced during exercise B. muscle needs to recover to continue growth of muscle C. Increase blood pumping D. None of the above
What organs are targeted by the hormones secretin and cholecystokinin (CCK) to release pancreatic juice and bile into the small intestine for digestion?
A) gallbladder, stomach, liver B) liver, spleen, esophagus C) stomach, spleen, large intestine D) pancreas, gallbladder, liver
What is the correct sequence of the journey for mature sperm?
A. Ejaculatory duct - prostatic urethra - epididymis - ductus deferens - penile urethra - vagina - uterus - uterine tube B. Epididymis - ductus deferens - ejaculatory duct - prostatic urethra - penile urethra - uterine tube - vagina - uterus C. Epididymis - ductus deferens - ejaculatory duct - prostatic urethra - penile urethra - vagina - uterus - uterine tube D. Epididymis - ductus deferens - prostatic urethra - ejaculatory duct - penile urethra - vagina - uterus - uterine tube