What is the skin?
The adult human body typically contains this many bones.
What is 206?
These cells are responsible for transporting oxygen throughout the body.
What are red blood cells?
This system is responsible for producing hormones that regulate various bodily functions.
What is the endocrine system?
This organ filters waste from the blood and produces urine.
What are the kidneys?
This part of the brain is crucial for balance and coordination.
What is the cerebellum?
This type of joint allows for a wide range of motion, such as in the shoulder.
What is a ball-and-socket joint?
The primary function of these organs is to facilitate gas exchange.
What are the lungs?
This part of the nervous system controls involuntary actions, such as heartbeat and digestion.
What is the autonomic nervous system?
The process by which the body maintains a stable internal environment is called this.
What is homeostasis?
The average adult human has about this many pints of blood.
What is 10 to 12 pints?
This type of tissue connects muscles to bones.
What are tendons?
The basic structural and functional unit of life in the human body is called this.
What is a cell?
This gland, often referred to as the "master gland," regulates other endocrine glands.
What is the pituitary gland?
The outer layer of the skin is known as this.
What is the epidermis?
This system is responsible for transporting nutrients, gases, and waste throughout the body.
What is the circulatory system?
This type of blood vessel carries blood away from the heart.
What is an artery?
The smallest unit of the nervous system that transmits signals is called this.
What is a neuron?
This structure in the ear is responsible for balance.
What is the vestibular system?
This part of the eye is responsible for focusing light onto the retina.
What is the lens?
This part of the digestive system is primarily responsible for nutrient absorption.
What is the small intestine?
This type of muscle is found in the heart and is involuntary.
What is cardiac muscle?
This part of the brain is responsible for higher cognitive functions, such as reasoning and problem-solving.
What is the cerebral cortex?
The body's immune response is primarily managed by this system.
What is the immune system?
This hormone, produced by the pancreas, helps regulate blood sugar levels.
What is insulin?