What is the organ that produces bile to help digest fats?
liver
What is the name of the organ that pumps blood around the body?
Heart
What is the name of the organ where gas exchange occurs?
Lungs
What is the control center of the body?
Brain
What is the main role of the endocrine system in the body?
Produce and release hormones to regulate body functions
What is the main role of the excretory system?
remove waste and toxins from the body
Which body system protects internal organs and provides structure?
skeletal system
What is the name of the tube that connects your mouth to your stomach?
esophagus
Which type of blood vessel carries oxygenated blood away from the heart?
Arteries
What muscle helps you breathe by expanding and contracting the chest cavity?
diaphragm
What is the name of the network of nerves that runs down your back?
Spinal cord
What gland is often called the "master gland" of the endocrine system?
pituitary gland
Which organ in the excretory system filters waste products from the blood?
kidneys
What is the main function of the immune system?
To protect the body against disease
Which organ absorbs nutrients into the blood?
small intestine
What is the main function of red blood cells?
To carry oxygen
What tube carries air from your nose and mouth to your lungs?
Trachea
What are the cells that transmit signals in the nervous system called?
Neurons
Which hormone, produced by the pancreas, helps regulate blood sugar levels?
insulin
What is the name of the tube that carries urine from the kidneys to the bladder?
ureter
What is the name of the tissue that connects muscles to bones?
Tendons
What enzyme in saliva begins the digestion of starches?
Amylase
What are the tiny blood vessels where oxygen and nutrients are exchanged with tissues?
capillaries
What tiny structures in the lungs are surrounded by capillaries for gas exchange?
alveoli
Which part of the brain controls balance and coordination?
cerebellum
What are the glands located on top of the kidneys that produce adrenaline?
adrenal glands
What is the name of the process in the kidneys where useful substances like water and glucose are reabsorbed into the blood
reabsorption
Which blood vessel carries oxygen-rich blood from the heart to the rest of the body?
Aorta
What is the main purpose of the large intestine in the digestive system?
To absorb water and form faeces.
What is the liquid part of blood that carries nutrients and hormones?
plasma
What is the role of haemoglobin in the respiratory system, and how does it help maintain oxygen levels in the body?
Haemoglobin in red blood cells binds to oxygen in the lungs and transports it through the bloodstream to tissues, where it releases the oxygen for cellular respiration"
What is the gap between neurons where signals are transmitted called?
Synapse
How does the thyroid gland influence the body’s metabolism?
The thyroid gland produces hormones like thyroxine, which control the rate at which the body uses energy (metabolism)
How does the skin play a role in the excretory system?
The skin excretes waste products such as salt and water through sweat.
Explain how the pulmonary circulation differs from systemic circulation.
Pulmonary circulation moves blood between the heart and lungs to exchange oxygen and carbon dioxide, while systemic circulation delivers oxygenated blood to the rest of the body and returns deoxygenated blood to the heart.