Answer: exocrine glands
Explanation: Exocrine gland secrete substances to an epithelial surface through a channel.
The sebaceous and sweat glands associated with the skin also secrete substance to skin surfaces via ducts/ channels and are classified as endocrine gland. There are two glands in the human body Exocrine gland and Endocrine gland.
Endocrine gland secrete substance into the bloodstream directly. Examples of exocrine glands are sweat, salivary, mammary, sebaceous, and mucous.
liver and pancreas are both exocrine and endocrine glands simultaneously.
As exocrine gland, the liver secrete bile and the pancrease secrete pancreatic juice into the gastrointestinal tract through channels. While as endocrine gland they secrete other substances directly into the bloodstream.
Vestigial structures are parts of an animal's body that serve no function, but did in earlier evolutionary stages. Two examples of this are the human appendix and the snake pelvic bone.
Answer:
*Black means has Polydactyly, white means does not. The life expectancy for people with polydactyly is the same as a normal person without the disorder. If the extra finger or toe is removed, then most children will have full range of motion with their other fingers and toes.
Explanation:
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