The skeletal and muscular systems
Reveal the answers to these questions
by highlighting the blank spaces below the questions.
by highlighting the blank spaces below the questions.
What do skeletal muscles do?
Muscles move bones and pump blood.
Muscles carry nutrients and move air in and out of lungs.
Muscles hold the skeleton in place.
Muscles move voluntarily or involuntary
Muscles move bones and pump blood.
Muscles carry nutrients and move air in and out of lungs.
Muscles hold the skeleton in place.
Muscles move voluntarily or involuntary
What are the purposes of bones?
Provide body structure
Protect organs
Store important minerals
Produce certain blood cells
Provide body structure
Protect organs
Store important minerals
Produce certain blood cells
** What do bones need to continue to "live"?
Bones need nutrients that come from food you eat.
Bones need nutrients that come from food you eat.
What are the 3 types of bones?
1. Long bones (arms and legs)
2. Short bones (wrists and ankles)
3. Flat bones (ribs)
1. Long bones (arms and legs)
2. Short bones (wrists and ankles)
3. Flat bones (ribs)
What are two examples of ball-and-socket joints?
Hips and Shoulders
Hips and Shoulders
What is an examples of a hinge joint.
Knee
Knee
** What are two examples of where pivot joints are located?
Pivot joints are located in your arms and between your spinal column and your head.
Pivot joints are located in your arms and between your spinal column and your head.
How are pivot joints different than hinge joints?
Pivot joints (like your arm) can rotate. Hinge joints, (like your knees) can not rotate.
Pivot joints (like your arm) can rotate. Hinge joints, (like your knees) can not rotate.
Ligaments attach bones to bones.
Tendons attach muscles to bones.
Tendons attach muscles to bones.
What happens when you bend then unbend your arm?
Where are the cardiac muscles located?
Cardiac muscles are located in the heart.
Cardiac muscles are located in the heart.
What are examples of what voluntary muscles do when we decide to move?
Voluntary muscles help you run, walk, ride a bike, and wave your arms around.
Voluntary muscles help you run, walk, ride a bike, and wave your arms around.
What are examples of what involuntary muscles do?
Involuntary muscles pump blood (the heart) and move food to your stomach (the esophagus).
Involuntary muscles pump blood (the heart) and move food to your stomach (the esophagus).
What are some functions of muscles?
move your bones, pump blood, carry nutrients, move air in and out of your lungs.
move your bones, pump blood, carry nutrients, move air in and out of your lungs.
How do muscles work?
Muscles contract (get shorter) and relax (get longer).
When muscles contract, they pull on the tendons.
The tendon acts on the bone and produces movement.
Muscles can work in pairs. 1 contracts and the other muscle relaxes.
Muscles contract (get shorter) and relax (get longer).
When muscles contract, they pull on the tendons.
The tendon acts on the bone and produces movement.
Muscles can work in pairs. 1 contracts and the other muscle relaxes.
What do tough bands of tissue called ligaments do?
Ligaments hold bone to bone ( joints) together and keep organs in place.
Ligaments hold bone to bone ( joints) together and keep organs in place.
What are small fibers wound tightly together called tendons do?
Tendons hold muscles to bones.
Tendons hold muscles to bones.