The hearts contraction that maintains our blood pressure allowing us to breathe and exchange gases at all levels of respiration, ensuring oxygen is provided to all cells of the body, and waste products are eliminated.
The heart pumps 2 ounces (71 grams) of blood at every heartbeat
The heart pumps 2,500 gallons (9,450 liters) of blood each day.
The heart beats over three billion times in a person’s lifespan
e2020 answer
Explanation:
its called ecological interaction
the two main skeletal systems to support the tissue of the body is bone and cartilage
hopefully this will help
Answer:
Discovered that DNA was in the shape of a double helix
Answer: bateria
