Ch. 2Lesson 3How do
organs work together?
organ system • group of organs & tissues that work
together to carry out a life process
skeletal system
206 bones
supports body
protects internal organsstores calcium
muscular system
•about 640 muscles
muscular system•muscle cells work in bundles
Muscles work in pairs to
move bones:1 muscle
relaxes- other muscle
contracts
Many organ systems work together.
Skeletal system + circulatory system
Muscular system + skeletal system work together to
move body
Musculoskeletal System
organ system
• group of organs and tissues that work together to carry out a life process
How many muscles are in the muscular
system?
640
How many bones are in the skeletal
system?
About 200 bones
(206)
• The muscular system works with the ___________ system to move the body.
skeletal
Muscles work in ________ to move
bones.pairs
Many organ systems work together.
TRUE OR FALSE
TRUE
3 functions of the skeletal system
supports bodyprotects internal organsstores calcium