Blood glucose levels are regulated by ____ , in which an increase or decrease in glucose signals the pancreas to stop producing glucagon or insulin (respectively)
Fill in the blank with the appropriate word.
negative feedback
You might also like to view...
Countercurrent flow in the respiratory systems
of fish is a mechanism that accounts for a. oxygen uptake by blood capillaries in the gills. b. ventilation across fish gills. c. the transport of blood from the gills to the fish's heart. d. the transport of blood from the heart to the fish's main body mass. e. the flow of blood in gills as opposed to the flow of blood in the main body mass of fish.
A collection of clones containing all the DNA sequences carried by an individual is called a genomic library
a. True b. False
In what order do sperm move through the structures of the female reproductive tract?
A. ovary; oviduct; uterus; vagina B. cervix; vagina; uterus; oviduct C. vagina; uterus; oviduct; ovary D. vagina; cervix; uterus; oviduct E. endometrium; cervix; uterus; oviduct
Which of the following are important reproductive adaptations that allow plants to inhabit terrestrial environments?
A) Roots and leaves B) Flowers and leaves C) Seeds and pollen D) Gametophytes and sporophytes E) Leaves and stems