<span>The correct answer is a.
Exocrine glands secrete substances through a duct; endocrine glands release substances into the blood.</span>
For example, exocrine glands are sweat, salivary, mammary, lacrimal glands… Endocrine glands excrete hormones. Examples of this type of glands are the pineal gland, pituitary gland, thyroid gland, parathyroid gland, pancreas, ovaries, testes, hypothalamus and adrenal glands.
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The answer is 4Fe+3O2→2Fe2O3
Explanation:
Mitochondria are cell organelles that are found in all human body cells except mature red blood cells. These organelles with a double membrane are the location in which cellular respiration occurs.
Mark ‼️ it brainliest if it helps you ❤️

<h2><u>TRUE</u></h2>
- <u>system of layout refers to the designs of planting trees.it is desirable planted in a systemic way</u>
<h2><u>hope</u><u> it</u><u> helps</u></h2>
Answer:D, how relatively little genetic change could lead to the significant differences we see between ourselves and chimps. 3 mya-2 mya. You inherited from your mom both her crooked nose and her recipe for chocolate chip cookies (both favorable traits).
Explanation:Neoteny is the retention, by adults in a species, of traits previously seen only in juveniles, and is a subject studied in the field of developmental biology. In neoteny, the physiological (or somatic) development of an animal or organism is slowed or delayed. You inherited from your mom both her crooked nose and her recipe for chocolate chip cookies (both favorable traits).