29 Select one of the following pairing items and describe how the first item in the pairing item regulates the second item to maintain homeostasis. [1] • Insulin glucose levels • Carbon monoxide, respiratory rate

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

Nh3 +02-no + h20 is unbalanced what is the balanced equation