Answer:
The two thyroid hormones that affect the metabolic rate are thyroxine and triiodothyronine.
Explanation:
The thyroid gland is an endocrine gland, which is present below the Adam's apple, in the neck. The thyroid gland secretes two thyroid hormones and calcitonin.
The thyroid hormones, produced and secreted by the thyroid gland, influence the synthesis of proteins, metabolic rate and development. The two thyroid hormones are thyroxine and triiodothyronine.
Universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.
Answer:
The meristematic cells mature, get differentiated, loose their ability to divide and finally get converted into permanent tissues
Explanation:
