Bro, do you even lift?
Bone-a fide
I'm so hungry.
I heart you <3
What's that system?
100
This type of human body tissue can contract, or shorten.
What is muscle?
100
This bone protects your brain.
What is the skull?
100
This structure enables the small intestine to absorb large amounts of nutrients.
What is villi?
100
Blood vessels that carry blood away from the heart are called these.
What are arteries?
100
The role of this system is to bring oxygen into the body.
What is the respiratory system?
200
This type of muscle is found only in the heart.
What is cardiac muscle?
200
The number of bones in the adult human body.
What is 206?
200
The name of the small flap of tissue that seals off the windpipe during swallowing.
What is the epiglottis?
200
When blood flows into this chamber of the heart from the body, it contains little oxygen and a lot of carbon dioxide.
What is the right atrium?
200
This system produces chemicals that control both daily activities and long-term changes through hormones.
What is the endocrine system?
300
This type of muscle tires quickly during exercise.
What is skeletal muscle?
300
The longest bone in the human body.
What is the femur?
300
Most chemical digestion takes place in this part of the body.
What is the small intestine?
300
This chamber of the heart pumps oxygen-poor blood to the lungs.
What is the right ventricle?
300
Messages are carried back and forth between the brain and other parts of the body by tissue in this system.
What is the nervous system?
400
These types of muscle tissues must work in pairs because they can only contract.
What is skeletal muscle?
400
The bones that form the backbone are called this.
What are vertebrae?
400
Water is absorbed from undigested food in this part of the digestive system.
What is the large intestine?
400
This heart structure prevents blood from flowing backward.
What is a valve?
400
The process by which an organism’s internal environment is kept stable in spite of changes in the external environment is called this.
What is homeostasis?
500
The number of muscles in the human body.
What is over 600?
500
The spaces in bones are filled with a soft connective tissue called this.
What is marrow?
500
This process involves muscle contractions that move food through the esophagus.
What is peristalsis?
500
In these vessels, materials are exchanged between the blood and the body cells.
What are capillaries?
500
This organ system makes blood cells.
What is the skeletal system?
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