How does adrenaline prepare the body for stress? Adrenaline (also called epinephrine) is a hormone made by the adrenal glands that helps the… October 29, 2025October 29, 2025
What are the biological roles of d-block elements? d-block elements (transition metals) play important roles in biological systems because they can exist in… September 22, 2025September 22, 2025