Question

bio - 201l topic 2: tissues and integument
practice it
lo 2.3. what type of glands are ductless and release their hormones directly into the bloodstream?
sebaceous glands
exocrine glands
sweat glands
salivary glands
endocrine glands

Explanation:

Endocrine glands are ductless and secrete hormones directly into the bloodstream. Sebaceous glands produce sebum and open onto skin surface. Exocrine glands have ducts to release secretions to body surfaces or cavities. Sweat glands release sweat through ducts to skin surface. Salivary glands release saliva into the mouth via ducts.

Answer:

Endocrine glands