Human Body Anatomy
How many teeth does the average adult human have?
32
Which organ stores food temporarily before it enters the small intestine?
Stomach
What part of the nervous system is responsible for sending messages between the brain and body?
Spinal cord
Which part of the body contains the most muscles?
The face (about 43 muscles)
What is the function of the heart in the circulatory system?
Pump blood
How many vertebrae are there in the adult human spine?
33
Which organ produces bile to help digest fats?
Liver
Which type of cell carries messages throughout the nervous system?
Neuron
How many types of muscles are there in the human body?
Three (skeletal, smooth, and cardiac)
What is the main function of the red blood cells in the human body?
To carry oxygen
What is the largest organ in the human body?
skin
What are the three main macronutrients that provide energy to the human body?
Carbohydrates, proteins, and fats
Which part of the nervous system controls voluntary movements like walking or picking up objects?
Somatic nervous system
Which muscle helps you breathe by contracting and relaxing under your lungs?
The diaphragm (Bránice)
What is the condition called when the heart's blood supply is reduced or blocked, leading to heart muscle damage?
Heart attack
What is the name of the structure that connects the muscles to the bones?
Tendons
Where does most nutrient absorption occur?
In the small intestine.
What connects neurons together to transmit signals?
Synapse
How many muscles are in the human body? (tolerance 20)
About 640
What is the main difference between arteries and veins?
Arteries carry oxygenated blood, veins carry deoxygenated blood
What is the term for the process of bone formation?
Ossification, osteogenesis
What are the main hormones involved in hunger and satiety?
Ghrelin (hunger) and Leptin (satiety)
Aproximately how long is the total length of all neurons in the human body if stretched out? (tolerance 10,000 km)
About 100,000 kilometers
During muscle contraction, which two proteins slide past each other to shorten the muscle fiber?
Myosin and actin
What process forms a clot after blood vessel injury?
Hemostasis