Answer:
Capillaries connect the arteries to the veins. The arteries deliver oxygen rich blood to the capillaries, where the exchange for oxygen and carbon dioxide occurs.
Explanation:
Hope this helps!
Answer:
Hey! I think 80 - 90 years.
Explanation:
The nucleus and the ribosomes to synthesize protein synthesis.
The answer is D. A, B, and C all use photosynthesis, and make their own energy. A cougar relies on killing other animals to get energy. I hope this helps!
Technically all of them depend on your nervous system. the respiratory, endocrine, skeletal, cardiovascular, digestive, and urinary. all of these are influenced by the nervous system.
-hope this helps<span />
