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Transcript of Body Systems
Skeletal / Muscular
Transports materials to body tissues
Removes waste from body tissues
Helps maintain homeostasis (regulates temperature, pH, and levels of chemicals)
Helps fight infection (white blood cells)
Organs: heart, blood vessels, blood
Red Blood Cells- Carry Oxygen
White Blood Cells- Fight Infection
Cardiac Muscle Cells (pictured below)
Circulatory System Specialized Cells
Nervous System Specialized Cells
Respond to stimuli
Transmit electrical impulses
See taser video
Sensory organs to:
find a Mate
Organs: Nerves, Spinal cord, Brain
Interact to produce movement
Muscles – pull the bones to move them
Bones – provide the structure/ support protection
Muscle Cells – muscle cells form long fibers that contract to pull on bones
Bone Cells – Very dense but has hollow areas for blood vessels
Muscular/skeletal Specialized Cell Types
Waste leaves the cell by diffusion through a selectively permeable membrane
Organs: Kidney, lungs, skin, cell membrane
(water, salt, some urea)
to allow for gas exchange
Excretory System Specialized Cell Types
Produces hormones (chemicals) that help the body maintain homeostasis
Insulin is a hormone in your body to help regulate blood sugar levels to maintain homeostasis.
Jelly fish like these don't have an excretory system.
Instead they use diffusion to remove waste.
Nervous system responds to stimulus (flame) and sends signal to muscular system to move.