Examlex
Only 20% of cells in the human nervous system are neurons, and the rest are cells that support and protect neurons called ________ cells.
Digestive System
The system of organs responsible for breaking down food, absorbing nutrients, and eliminating waste from the body.
Large Intestine
The last part of the gastrointestinal tract and digestive system in vertebrates, responsible for water absorption and the transmission of waste material.
Saliva
A watery fluid produced by the salivary glands in the mouth, essential for chewing and digestion.
Mucus
A viscous, slippery secretion produced by, and covering, mucous membranes.
Q1: Releasing and inhibiting hormones from the hypothalamus
Q3: _ extend out from the exposed tip
Q4: lowers blood calcium levels<br>A)insulin<br>B)LH<br>C)oxytocin<br>D)calcitonin<br>E)ACTH<br>F)aldosterone
Q23: _ primarily targets T helper cells of
Q46: activate the immune system when an antigen
Q62: Which of the following is associated with
Q65: death of a portion of the heart
Q67: The _ controls many functions in the
Q73: hydrogen<br>A)maintains electrical charges across cell membranes<br>B)important in
Q83: transmit impulses away from the central nervous