GCSE Biology - hormones and glands!

Added: 2026-05-17

[00:00:00]You can learn all the glands.

[00:00:03]>> [music] >> They release hormones into the blood.

[00:00:05]And that effect is what they produce. We got pituitary, thyroid, adrenal, ovary, testes and this. Just one more thing that I need you to get. If comparing to nerves then this ain't even quick.

[00:00:13]Adrenaline from adrenal glands [music] is released into your blood every time that you're stressed or you're feeling pranked. Your heart now raises beating rate so the O2 supply increase began.

[00:00:22]This is your fight [music] or flight response. You either run or you're needing your hands. Now you see my man looking like Floyd. This gland here you call the thyroid controls your metabolic weight. Why we differ [music] on putting on weight. In our life development controls growth when young in age.

[00:00:36]Controlled by negative feedback. If it's low then it makes it raise. But