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.
1. TRUE
2. TRUE
3. TRUE
4. FALSE
5. TRUE
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Normal urine has a specific gravity that is ________ than the specific gravity of pure water; dehydration leads to a __________ in the specific gravity of urine
A. higher; increase B. higher; decrease C. lower; decrease D. lower; increase
________ provide information about the internal environment. (Note: Be sure to capitalize the first letter of your answer).
Fill in the blank(s) with the appropriate word(s).
Which of the following hormones primarily affects the reproductive organs?
A) Adrenocorticotropic hormone B) Prolactin-releasing factor C) Follicle-stimulating hormone D) Growth hormone
A sustained muscle contraction is known as
A. tetanus B. tone C. treppe D. twitch E. paralysis