Can someone please answer these 4 questions. I’m begging you

1. Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions.

2. Hormones are chemical substances that affect the activity of another part of the body (target site). In essence, hormones serve as messengers, controlling and coordinating activities throughout the body. (See also Endocrine Glands.)

3. hormones consist of short chains of amino acids, whereas protein hormones are longer polypeptides. Both types are synthesized like other body proteins: DNA is transcribed into mRNA, which is translated into an amino acid chain.

4. hypothalamus.

pituitary.

thyroid.

parathyroids.

adrenals.

pineal body.

the ovaries.

the testes.

12

which is not a category of marine organisms