What is the common symptom of hypothrdism?

hypothyroidism:

there are many common symptoms which include fatigue, weakness, weight gain or difficullty losing weight (despite reduced food intake) dry hair and skin, hair loss, very sensitive to the cold, muscle cramps and aches and constipation

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.