Skeletal Sytem
What is the long bone located in the arm called?
Hummers
What is smooth muscle?
smooth muscle muscle tissue found in walls of hollow internal organs, It is involuntary movement.
what are dendrites?
dendrites are the branches that extend from a neuron that receive chemical and electrical signals from other nerve cells
What does the cardiovascular system do?
transports oxygen, nutrients, hormones, and removes wast products like carbon dioxide in the body
What is the respiratory system used for?
gas exchange
How does a ball and socket joint contribute to movement?
allows for rotation and movement in multiple directions across three axes
What happens to muscles during physical activity?
muscles contract, burn energy, and create small tears that trigger strength and growth
How does the nervous system contribute to movement?
the nervous system sends electrical and chemical signals that travel down the spine and trigger muscle contractions
What would happen if a heart valve failed to close tightly?
It would create back flow of the blood
How does the respiratory system work with the cardiovascular system?