True. if it is a true/false question the answer is True.
Answer:
carrying capacity (carrying capacity is the total population size that a particular environment can comfortably support with little increase or decrease over a relatively long period of time) given the food, habitat, water e.t.c. that is available in the environment.
The air diffuses into the capillaries surrounding the alveoli.
2. The pulmonary veins carry oxygenated blood to the heart.
3. Air enters the bronchioles in the lungs and reaches the alveoli.
4. The capillaries join together to reach the arteries, transferring the oxygen.
5. The oxygen-rich blood moves from the aorta and reaches the kidneys through a series of blood vessels.
6. The left atrium fills with oxygen-rich blood and contracts to fill the left ventricle.
Answer:
the structure is external gills
Explanation: