Answer:
D. the amount of resistance in lbs or kg used in workouts I think?
Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
Waste disposal, food source, medicines, medicinal therapies, and aquaculture are all ways that humans impact the marine environment, humans utilize marine resources, and how marine environments have impacted humans. Our waste disposal hurts marine life. Many times, fish and other marine life gets tangled in human waste and dies. The beaches are full of garbage that is just thrown away. We use items and animals from the ocean for medicines and other items that are needed for human use. The correct answer is D, all of the above.
The smallest bone in your body is called stapes, that is found in the ear.