Answer:
I think yes but I'm not sure.
Explanation:
Answer:
a. 40%
Explanation:
up to 40% increasing the light intensity increases the oxygen production. Beyond 40% there is no effect.
I hope this helps :)
The best answer is b. 4
The human heart has four chambers - two atria and two ventricles.
1. Right atrium - receives oxygen-poor blood from the body and pumps it to the right ventricle.
2. Right ventricle - pumps oxygen-poor blood to the heart.
3. Left atrium - receive oxygen - rich blood from the lungs.
4. Left ventricle - pumps oxygen rich blood to the body.
The heart is a muscular organ. It is about the size of a closed fist. It is located in the thoracic cavity. It is protected by the rib cage and is the major organ of the circulatory system.
True drinking alone does not contribute to drug addiction
