NCERT In-text 6.3 — Q3 - Control and Coordination

Question: How does our body respond when adrenaline is secreted into the blood?

Answer: When **adrenaline** is secreted into the blood, the body prepares for **fight-or-flight**: 1. **Heart beats faster** — more oxygenated blood to muscles. 2. **Breathing rate increases** — more oxyge...

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