because of aging, the vitreous gradually shrinks, the immune system may response to protect the retina - this may cause the fibrous membrane to grow.

How would the previous sentence be correctly capitalized?
Answer: Because of aging, the vitreous gradually shrinks, the immune system may response to protect the retina - this may cause the fibrous membrane to grow.
the green sleep beds and linen are eco-certified and made out of pure latex, organic wood and cotton and ensure, together with the sound of water from the river, a profound quality sleep.

How would the previous sentence be correctly capitalized?
Answer: The Green Sleep beds and linen are eco-certified and made out of pure latex, organic wood and cotton and ensure, together with the sound of water from the river, a profound quality sleep.
(c) to carry out a review on certifications issued pursuant to article 42(7);

How would the previous sentence be correctly capitalized?
Answer: (c) to carry out a review on certifications issued pursuant to Article 42(7);
the name of the missing star, the seventh pleiades, was elektra, daughter of atlas whose father was oceanos or poseidon, the god of the oceans.

How would the previous sentence be correctly capitalized?
Answer: The name of the missing star, the seventh Pleiades, was Elektra, daughter of Atlas whose father was Oceanos or Poseidon, the god of the oceans.