When our body temperature rises above 37°C or 98°F, a negative feedback mechanism will be triggered to lower the body temperature. As a result, our sweat glands release sweat to cool the body temperature. What part of the negative feedback mechanism is the sweat gland?
A) stimulus B) effector C) receptor D) control center
The ________ system rids the body of indigestible food residue in feces while the ________ system removes nitrogen-containing metabolic waste in urine.
A) urinary; digestive B) cardiovascular; urinary C) digestive; urinary D) reproductive; digestive