1. In what form is O2 transported from the lungs to the tissues​

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.

Which type of respiration takes place when there is no oxygen present

The tubes transporting minerals and water upward are called ?