A system where a portion of every beef sale goes to the state and national programs to promote and improve the beef industry is the beef ________________
Fill in the blank(s) with correct word
checkoff
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Answer the following statements true (T) or false (F)
1. Lymph is interstitial fluid that has entered a lymph vessel. 2. The original source of lymph is blood plasma. 3. An important role of the lymphatic system is fluid homeostasis. 4. The tunica media of lymph capillaries contains smooth muscle to help move lymph. 5. Lymph nodes are found between the lymphatic capillaries and the right lymphatic duct or the thoracic duct.
The buccinator muscle __________.
A. does not function during chewing B. purses the lips C. raises the corners of the mouth D. compresses the cheeks
Total body water is NOT a function of which of the following?
A) amount of body fat B) body mass C) age D) amount of water ingested
Which is TRUE about hormonal control during pregnancy?
A. The placenta responds to estrogen and progesterone from the corpus luteum, but does not secrete them. B. The corpus luteum must remain functional for 38 weeks because it is the main source of estrogen and progesterone. C. The placenta is provided with androgens by the maternal ovaries and adrenal glands, and by the fetal adrenal glands. D. The placenta produces estrogen without any contribution from the fetal adrenal cortex. E. The placenta secretes only steroid hormones, while fetal and maternal pituitary glands secrete pregnancy-specific protein hormones.