Which group contains only organs in a human body? heart, brain, skin skin, blood, neuron neuron, heart, stomach stomach, blood, brain

i am not sure but i think the correct answer is A

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

b. to discover aspects of the natural world.

hopefully i .