Which segment of the small intestine receives chyme from the stomach?
A) cecum B) ileum C) jejunum D) duodenum
Answer: D
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Tetanus of a muscle is thought to be caused by
A. the rapid movement of Na+ back into the sarcoplasmic reticulum. B. high Ca2+ concentrations in the sarcoplasm. C. decreased amounts of Ca2+ in muscle tissue. D. increased temperature in the active muscle. E. an increase in stimulus strength.
All of the following are true of emission and ejaculation, except they
A) occur under sympathetic stimulation. B) begin with peristaltic contractions of the ampulla. C) are responsible for propelling semen toward the external urethral opening. D) involve contractions of the seminal glands. E) stimulate the release of urine from bladder to clean the urethra.
List 4 common aquaculture fish species
What will be an ideal response?
Which of the following anatomical terms refers to the groin?
a) pelvic b) umbilical c) sternal d) otic e) inguinal