Cause it can kill if you use un-subscribed meds
The Major function of the respiratory system is to exchange oxygen and carbon dioxide. Inhaled oxygen enters the lungs and reaches the alveoli, the layers of the cells lining the alveoli and the surrounding capillaries are each only one cell thick and are in very close contact with each other, the barrier between air and blood averages about 1 micron in thickness. Oxygen diffuses quickly through the air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled.
Answer: B) II, IV, V
Explanation:
II, IV, V Sexual reproduction involves both parents. Chromosomes are passed to offspring in sex cells, egg and sperm. Offspring are not identical to either parent.
Answer:
Anatomy
Explanation:
Based upon the presence and larger size of the eyes of the cephalopods, you could guess they have a more complex ANATOMY system.