The umbilical cord is made by two umbilical arteries and one umbilical veins.

•Body fluid balance is achieved via typical ………. gains and losses.

The body responds to acidosis by …….. the breathing rate and depth. ……..is consumed, raising the pH. The carbonic acid reaction is then shifted to the …….

During dehydration, mechanisms and consequences of Aldosterone and Antidiuretics hormones are released.

98.5% of the oxygen enters erythrocytes and binds to the iron in hemoglobin.

………………, causes vasoconstriction to the arterioles in renal corpuscula in response to low blood volume and pressure.

………, helps maintain pregnancy and prepares the breasts for milk production.

As a response to the thirst center, ingestion of H2O causes cools and moisten mouth. This is known as ……..of thirst.

During …………, gas exchange between blood and alveoli in pulmonary capillaries: oxygen is loaded into the blood and carbon dioxide is unloaded from the blood.

Olfactory cells are olfactory receptors which are true neurons.