Which class of vertebrates is easily distinguishable by the presence of sweat glands, including specialized glands that produce milk? a) amphibia b) aves c) mammalia d) reptilia

Mammalia

Explanation:

Vertebrates are a set of animals characterized by the possession of a backbone or vertebral column that helps support their body structure. Vertebrates are further classified into different classes including amphibia, reptilia, aves(birds), Pisces(fishes) and mammalia. These classes of vertebrates all have their own unique properties that distinguishes them from one another.

However, a very unique class is the MAMMALIA, which are differentiated from their other vertebrate animals by the ability to feed milk to their young ones. This milk comes from specialized glands called MAMMARY GLANDS or commonly known as breast. Mammals get their name from the possession of these glands. Mammals also possess sweat glands that confers upon them the ability to secrete sweat (liquid waste) from their skin.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.