<span>Adrenaline can change many things including increasing blood pressure, heart rate, reflexes, physical and psychological capabilities, and many more. When under stress, adrenaline is released to help the body defend itself from that stress. That's why when children are drowning, for example, those saving them must be extremely careful because a child can due to adrenaline become even stronger than an adult and can accidentaly drown the adult.</span>
Ecology is one component of Environmental Science that studies organismal interactions.
So your answer is c. interactions
Answer:
Osteoblasts
Explanation:
Cells that secrete protein fibres in bones are called osteoblasts.
I hope this helps.