When you think of blood, you probably just picture a red liquid. But in biology, blood is actually classified as a tissue! It is a complex, highly specialized delivery service working non-stop to keep your body fuelled and protected.

In this episode of GCSE Science Unlocked, Lottie and Mr. H break down Section 4.2.2.3: Blood. We look at the yellow fluid that acts as the body's ultimate logistics network, explore the stripped-down engineering of our oxygen couriers, and meet the internal defence force that keeps infections at bay.

🎧 What You'll Learn in This Episode:

• When you think of blood, you probably just picture a red liquid. But in biology, blood is actually classified as a tissue! It is a complex, highly specialized delivery service working non-stop to keep your body fuelled and protected.In this episode of GCSE Scie ...