Answer:
There are two kinds of respiratory chemoreceptors: arterial chemoreceptors, which monitor and respond to changes in the partial pressure of oxygen and carbon dioxide in the arterial blood, and central chemoreceptors in the brain, which respond to changes in the partial pressure of carbon dioxide in their immediate ...
Answer: i believe it is true
Explanation:
Glucagon is <span>protein hormone that is produced by the pancreas to promote the increase in the sugar content of the blood by breaking down glycogen in the liver.</span>
Answer:
Normally, plant roots grow downward,but in space, roots grow in every direction.
Explanation:
Plant roots grow downward ,because it’s easy for them to soak up water and nutrients that make their way into the soil.
