Which statement correctly describes the muscular system of a flatworm
a. all of the muscles are attached to a center bone
b. it is made up of two layers of muscle
c. it is made up of three types of muscle tissue
d. all of the muscles are involuntary muscles

answer:

it is made up of two layers of muscle.

explanation:

the correct answer is b. i just did the test and the others guys answer was wrong and gave me the answer sheet

i believe the answer is c) it is made up of three types of muscle tissue

cuz he is really really short, assuming an unorthodox and inherently unlucky configuration of elevator buttons…

explanation:

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.