The meanings of these words are essentially the same - they mean facing danger, difficulty, or fear with calm or confidence. A fireman saved a child from the burning house.
Just make sure not to get confused between their noun and adjective forms:
He was very brave. / He was very courageous.
He was very courage.
With forms of the verb "to be" (is, are, was, were, being, been), use brave/courageous. With the word "the" and with possessives (my, your, his, her, our, their) use bravery/courage. I admire the bravery of firemen. I admire the courage of firemen. Their brave bravery in the face of danger is inspiring. Their courage in the face of danger is inspiring.
Blackberries may extend your life! The pigments that give them their color are strong antioxidants, and they retain that power when eaten. They’re also rich in anthocyanins, and there is laboratory evidence that anthocyanins may be effective against cancer, diabetes, inflammation, bacterial infections, and neurological diseases.
Every 100 grams of blackberries provides 317 mg of anthocyanins.Nutritional Facts
One-half cup of raw blackberries provides 37 calories, 9.2 g carbohydrate, 0.5 g protein, 0.3 g fat, 3.8 g dietary fiber, 119 IU vitamin A, 15 mg vitamin C, 24 mcg folic acid, 141 mg potassium, 23 mg calcium, 15 mg phosphorus, and 14 mg magnesium.