The heart begins its work approximately 21 days after conception. As a single cell pump, it will soon develop into four distinct chambers. It becomes the muscle; all other muscles depend to do their work. Beating on an average day 115,000 times, about 200 gallons of blood is pumped into arteries and veins traveling an unprecedented 12,000 miles a day while overcoming gravity to provide nutrients to every organ, muscle, nerve, and tissue.
It is the force of 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.
Answer:
the top 2 from left to right are: petal and stigma(*).
The one that follows from top to bottom is anther(#) and the one below is the filament.(#)
to the right there is the style(*) and below there is the ovary(*)
to the left of that, the last one with no symbol is the sepal
the last 2 sentences in the bottom are pistil and stamen
Self rescue when being done should involve an individual choosing to swim to shore as the last option.
<h3>What is Self rescue?</h3>
These are different forms of methods which are done by individuals to pull out of dangerous situations which may cause them being stranded.
It is always best to get to the shore through every possible means so as to prevent drowning and other unpleasant situations thereby making it the correct answer.
Read more about Self rescue here brainly.com/question/4850006
#SPJ4
Answer:
Please give me a better understanding
Answer:
B the difference between F and G
Explanation:
Its the sourse of the angle which gives you 180* of 90* then leads you to the agle corners/numbers
