FLASHCARD 9 Section 3.3 Science: Order & Design

Front

What are the tough cords in the body that connect muscles to bones, helping efficient movement?

Back

tendons

Front

What are the hollow spaces in bones that help lighten the skull called?

Back

sinuses

Front

What is the soft tissue inside long bones responsible for producing new blood cells?

Back

marrow

Front

What type of joint allows swinging arms and legs in circles, like at the shoulder and hip?

Back

ball-and-socket joint

Front

One end of a muscle is anchored to a relatively immovable point called the ___.

Back

origin

Front

What are the cords called that connect the bones in joints?

Back

ligaments

Front

While Evelyn is running, her heart keeps beating and her stomach continues digesting food, even though she isn't thinking about it. The muscles in these organs are considered ___ muscles.

Back

involuntary

Front

Olivia is studying anatomy and notices that one end of a muscle is anchored to a relatively immovable point called the ___.

Back

origin

Front

While playing soccer, Olivia twisted her ankle. The doctor explained that the bones in her ankle joint are connected by cords called ___.

Back

ligaments

Front

Emma is running in the park and her heart keeps beating even though she isn’t thinking about it. Because the muscles in organs like the heart and digestive organs must function whether you think about them or not, they are considered ___ muscles.

Back

involuntary