Circulatory & Respiratory Systems
This organ pumps blood through the entire body
What is the heart?
This organ produces stomach acid to help break down food
What is the stomach?
These muscles are under voluntary control.
What are skeletal muscles?
This organ is the control center of the body
What is the brain?
These are the male reproductive cells.
What are sperm?
This muscle contracts and relaxes to help you breathe
What is the diaphragm?
This organ produces bile to help digest fats.
What is the liver?
This type of muscle is found only in the heart.
What is cardiac muscle?
This gland, located in the neck, controls metabolism.
What is the thyroid gland?
This organ carries a developing baby during pregnancy.
What is the uterus?
These blood vessels carry oxygen-rich blood away from the heart.
What are arteries?
This organ filters waste from the blood to make urine.
What are the kidneys?
These are the places where two or more bones meet.
What are joints?
These cells carry electrical signals through the nervous system.
What are neurons?
This organ in the upper chest helps produce T-cells for immunity
What is the thymus?
Tiny air sacs in the lungs where oxygen enters the blood are called this
What are alveoli?
Nutrient absorption mainly occurs in this part of the digestive tract.
What is the small intestine?
Hair and nails are made of this tough protein.
What is keratin?
This gland is often called the "master gland" because it regulates other glands
What is the pituitary gland?
The female reproductive cells are called this.
What are eggs or ova?
This iron-rich protein in red blood cells carries oxygen throughout the body.
What is hemoglobin?
This tube carries urine from the kidneys to the bladder.
What is the ureter?
The bone marrow produces these important blood components
What are blood cells?
This part of the brain controls balance and coordination
What is the cerebellum?
These cells “remember” past infections to fight them faster next time.
What are memory cells?