Answer:
A
Explanation:
Before exchange, it is expected that the capillaries (that have deoxygenated blood) will have more carbon dioxide while the lungs will have more oxygen. This allows for oxygen to diffuse into the capillaries while carbon dioxide diffused into the lungs during the exchange.
Answer:Endocytosis vs exocytosis: a comparison
Endocytosis Exocytosis
Types Phagocytosis Pinocytosis Regulated exocytosis Constitutive exocytosis
Examples White blood cells engulfing a virus and eliminating it. Releasing a neurotransmitter for cellular communication.
Explanation:
In order for an ecosystem<span> to be self-</span>sustaining, it must have<span> a continuous flow of energy and be able to recycle materials</span>
Answer:
When energy leaves a system it is transformed into matter
Explanation:
First Law of Thermodynamics: Energy can be changed from one form to another, but it cannot be created or destroyed. The total amount of energy and matter in the Universe remains constant, merely changing from one form to another.