Answer:
The main difference between cardiac skeletal and smooth muscle is that cardiac muscles perform involuntary muscular movements of the heart, aiding the heart to pump blood throughout the body, while skeletal muscles perform a voluntary muscular movements of bones, aiding physical movements of the body such as walking, running, and writing.
Expla
The answer for the above question is Cardiovascular fitness. It is the ability of the heart, lungs, and blood vessels to function efficiently when a person exercises. Cardiovascular system is the body system that includes the heart, blood vessels, and blood, and functions by transporting oxygen and nutrients to body cells and removing cellular wastes. Cardiovascular endurance on the other hand is the ability of the body to work continuously for extended periods of time.
B. DNA is heated to separate strands
<span>First.PCR reaction</span>
Answer – The force of gravity is
stronger than the force of magnetism.
The attractive force of magnetism
is the force that keeps the nails joined to one another and to the end of a bar
magnet while the force of gravity is the force acting to pull the nails to the
ground. If when Juanita sticks the seventh nail, it falls off the sixth nail,
it means that the force of gravity acting on the seventh nail is stronger than
the force of magnetism acting on it.
Answer:
4. A
4.(part 2) B
6. C
7. A
8. C
9. A
10. B
11. C
12. D
13. C
14. D
15. C
16. C
17. A
18. C
19. B
20. G
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Explanation: