Circumpolar stars appear ? Group of answer choices:

a.) to be circular in appearance.

b.) to be the brightest stars.

c.) to set below the horizons.

d.) to be circling because of the Earth's rotation.

Which of the following is a common danger of commercial fishing?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.