#1
Which organ system is responsible for pumping blood throughout the body?
Nervous system
Respiratory system
Circulatory system
Muscular system
#2
What is the primary function of the respiratory system?
To circulate blood throughout the body
To produce hormones
To exchange gases with the environment
To digest food
#3
Which of the following is a function of the nervous system?
Regulating blood sugar levels
Producing antibodies
Detecting and responding to stimuli
Generating ATP
#4
What is the name of the fluid that lubricates joints in the skeletal system?
Mucus
Synovial fluid
Serum
Plasma
#5
What is the purpose of the excretory system in animals?
To regulate body temperature
To exchange gases with the environment
To filter waste products from the blood
To produce hormones
#6
Which of the following organs is part of both the respiratory and digestive systems?
Liver
Lungs
Kidneys
Pancreas
#7
Which of the following is NOT a function of the skeletal system?
Providing structure and support
Producing blood cells
Storing minerals
Generating nerve impulses
#8
What type of muscle is found in the walls of internal organs like the stomach and intestines?
Skeletal muscle
Cardiac muscle
Smooth muscle
Striated muscle
#9
Which organ system is responsible for filtering waste products from the blood?
Digestive system
Excretory system
Endocrine system
Immune system
#10
What is the primary function of the endocrine system?
Producing digestive enzymes
Regulating metabolism and hormone levels
Filtering toxins from the blood
Transporting oxygen to cells
#11
What is the name of the process by which oxygen and carbon dioxide are exchanged between the lungs and blood?
Osmosis
Diffusion
Active transport
Filtration
#12
Which hormone is responsible for regulating blood sugar levels in the body?
Insulin
Testosterone
Estrogen
Adrenaline
#13
Which of the following is a function of the integumentary system?
Transporting oxygen to cells
Producing insulin
Regulating body temperature
Filtering waste from the blood
#14
Which of the following is NOT a component of the lymphatic system?
Lymph nodes
Spleen
Liver
Thymus
#15
What is the main function of the cerebellum in the brain?
Regulating body temperature
Controlling voluntary movements
Storing long-term memories
Regulating heart rate
#16
Which of the following is NOT a function of the digestive system?
Breaking down food into nutrients
Absorbing nutrients into the bloodstream
Producing antibodies
Eliminating waste products
#17
What is the name of the outermost layer of the skin?
Dermis
Subcutaneous tissue
Epidermis
Hypodermis