10 Questions
What is the function of antagonistic muscle pairs like the triceps and biceps?
One contracts while the other relaxes
What is the process called when particles move from an area of high concentration to an area of low concentration across the cell membrane?
Diffusion
What is the purpose of specialized cells in an organism?
To carry out a specific function
What is an organ?
A group of tissues with the same function
What is the term for organs that need to keep functioning for an organism to stay alive?
Vital organs
What is the main function of the skeleton in relation to the body's organs?
To protect organs
How many bones are in the adult human skeleton?
206
What type of joint allows movement in all directions?
Ball and socket joint
What is the function of tendons in the skeleton?
Connect bone to muscle
What is the main function of the bone marrow in the skeleton?
To produce red and white blood cells
Test your understanding of muscles, including antagonistic muscle pairs, and the process of diffusion across cell membranes. Learn how muscles work together to facilitate movement and how substances move in and out of cells.
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