Which of the following is not a function of the respiratory system in animals?
A) Gas exchange
B) Regulation of body temperature
C) Removal of carbon dioxide
D) Regulation of pH balance
In mammals, which organ is responsible for the production of insulin?
A) Pancreas
B) Liver
C) Kidney
D) Adrenal gland
Which of the following is not a component of the human immune system?
A) White blood cells
B) Red blood cells
C) Lymph nodes
D) Antibodies
What is the primary function of the cerebrum in the brain?
A) Coordination of movement
B) Regulation of body temperature
C) Processing of sensory information
D) Control of involuntary actions
Which of the following is not a type of neuron?
A) Sensory neuron
B) Motor neuron
C) Connector neuron
D) Interneuron
Which hormone is responsible for the regulation of water balance in mammals?
A) Aldosterone
B) Thyroxine
C) Melatonin
D) Estrogen
What is the primary function of the stomach in the digestive system?
A) Absorption of nutrients
B) Production of bile
C) Mechanical and chemical digestion of food
D) Regulation of blood sugar levels
Which of the following is not a function of the urinary system in animals?
A) Regulation of blood pressure
B) Removal of metabolic waste
C) Regulation of electrolyte balance
D) Production of red blood cells
What is the primary function of the adrenal medulla in mammals?
A) Regulation of blood pressure
B) Production of adrenaline and noradrenaline
C) Regulation of blood sugar levels
D) Storage of glycogen
Which of the following hormones is primarily responsible for the development of secondary sexual characteristics in mammals?
A) Testosterone
B) Insulin
C) Thyroxine
D) Prolactin
What is the primary function of the lymphatic system in animals?
A) Production of hormones
B) Transportation of oxygen
C) Immune response
D) Regulation of body temperature
In which part of the brain is the hypothalamus located?
A) Forebrain
B) Midbrain
C) Hindbrain
D) Cerebrum
Which of the following is not a component of the human endocrine system?
A) Pituitary gland
B) Thyroid gland
C) Adrenal gland
D) Liver
What is the primary function of the small intestine in mammals?
A) Absorption of nutrients
B) Production of bile
C) Regulation of blood sugar levels
D) Storage of food
Which of the following hormones is responsible for the regulation of blood calcium levels in mammals?
A) Parathyroid hormone
B) Insulin
C) Thyroxine
D) Adrenaline
What is the primary function of the pancreas in mammals?
A) Regulation of blood sugar levels
B) Production of bile
C) Regulation of blood pressure
D) Production of red blood cells
Which of the following is not a function of the integumentary system in animals?
A) Protection against pathogens
B) Regulation of body temperature
C) Production of hormones
D) Sensory perception
In which part of the nephron does filtration of blood occur in the mammalian kidney?
A) Glomerulus
B) Bowman’s capsule
C) Loop of Henle
D) Collecting duct
What is the primary function of the corpus callosum in the brain?
A) Regulation of body temperature
B) Coordination of movement
C) Communication between the two cerebral hemispheres
D) Production of hormones
Which of the following is not a function of the skeletal system in animals?
A) Protection of internal organs
B) Production of red blood cells
C) Regulation of body temperature
D) Storage of minerals
What is the primary function of the hypothalamus in the brain?
A) Regulation of thirst and hunger
B) Coordination of movement
C) Control of voluntary actions
D) Processing of visual information
Which of the following hormones is responsible for stimulating uterine contractions during childbirth?
A) Oxytocin
B) Estrogen
C) Testosterone
D) Progesterone
Which of the following is not a component of the human urinary system?
A) Ureter
B) Urethra
C) Bladder
D) Pancreas
What is the primary function of the semicircular canals in the inner ear?
A) Regulation of blood pressure
B) Detection of sound waves
C) Detection of body position and movement
D) Production of earwax
Which of the following is not a function of the liver in mammals?
A) Production of bile
B) Regulation of blood sugar levels
C) Filtration of blood
D) Production of red blood cells
What is the primary function of the adrenal glands in mammals?
A) Regulation of blood calcium levels
B) Regulation of blood pressure
C) Production of insulin
D) Storage of glycogen
Which of the following hormones is responsible for the fight or flight response in mammals?
A) Adrenaline
B) Estrogen
C) Progesterone
D) Melatonin
Which of the following is not a component of the human respiratory system?
A) Diaphragm
B) Trachea
C) Bronchus
D) Gallbladder
What is the primary function of the thymus gland in mammals?
A) Production of insulin
B) Production of red blood cells
C) Production of T lymphocytes
D) Regulation of blood sugar levels
Which of the following hormones is responsible for regulating calcium levels in mammals?
A) Calcitonin
B) Insulin
C) Thyroxine
D) Prolactin
What is the primary function of the gallbladder in mammals?
A) Production of bile
B) Storage of bile
C) Production of insulin
D) Regulation of blood sugar levels
Which of the following is not a function of the human cardiovascular system?
A) Transportation of oxygen
B) Transportation of nutrients
C) Regulation of blood pressure
D) Production of bile
What is the primary function of the thalamus in the brain?
A) Coordination of movement
B) Regulation of body temperature
C) Processing of
Which of the following is not a function of the circulatory system in animals?
A) Transport of nutrients
B) Removal of waste products
C) Regulation of body temperature
D) Production of bile
What is the primary function of the alveoli in the mammalian respiratory system?
A) Filtration of air
B) Production of mucus
C) Gas exchange
D) Storage of oxygen
Which hormone is primarily responsible for regulating blood sugar levels in mammals?
A) Insulin
B) Glucagon
C) Estrogen
D) Testosterone
In which organ does bile production primarily occur in mammals?
A) Liver
B) Kidney
C) Pancreas
D) Spleen
What is the primary function of the nephron in the mammalian kidney?
A) Filtration of blood
B) Production of urine
C) Regulation of blood pressure
D) Storage of water
Which of the following hormones is responsible for stimulating uterine contractions during childbirth?
A) Oxytocin
B) Estrogen
C) Progesterone
D) Testosterone
What is the primary function of the cerebellum in the brain?
A) Regulation of body temperature
B) Coordination of movement
C) Production of hormones
D) Memory storage
Which of the following is not a function of the skeletal system in animals?
A) Protection of internal organs
B) Production of red blood cells
C) Storage of minerals
D) Generation of body heat
What is the primary function of the myelin sheath in nerve cells?
A) Protection
B) Conduction of nerve impulses
C) Nutrient storage
D) Cell signaling
In mammals, which hormone is responsible for the regulation of water balance?
A) Aldosterone
B) Thyroxine
C) Insulin
D) Adrenaline
What is the primary function of the stomach in the digestive system?
A) Absorption of nutrients
B) Storage of food
C) Mechanical and chemical digestion of food
D) Production of bile
Which hormone is responsible for the regulation of blood calcium levels in mammals?
A) Parathyroid hormone
B) Insulin
C) Thyroxine
D) Prolactin
What is the primary function of the pancreas in mammals?
A) Regulation of blood sugar levels
B) Production of bile
C) Regulation of blood pressure
D) Production of red blood cells
Which of the following hormones is responsible for the fight or flight response in mammals?
A) Adrenaline
B) Estrogen
C) Progesterone
D) Melatonin
What is the primary function of the thymus gland in mammals?
A) Production of insulin
B) Production of red blood cells
C) Production of T lymphocytes
D) Regulation of blood sugar levels
Which of the following is not a function of the human cardiovascular system?
A) Transportation of oxygen
B) Transportation of nutrients
C) Regulation of blood pressure
D) Production of bile
What is the primary function of the pineal gland in mammals?
A) Regulation of blood sugar levels
B) Production of adrenaline
C) Regulation of sleep-wake cycles
D) Control of voluntary actions
Which of the following is not a component of the human urinary system?
A) Ureter
B) Urethra
C) Bladder
D) Pancreas
What is the primary function of the semicircular canals in the inner ear?
A) Regulation of blood pressure
B) Detection of sound waves
C) Detection of body position and movement
D) Production of earwax
Which of the following is not a function of the liver in mammals?
A) Production of bile
B) Regulation of blood sugar levels
C) Filtration of blood
D) Production of red blood cells
What is the primary function of the adrenal glands in mammals?
A) Regulation of blood calcium levels
B) Regulation of blood pressure
C) Production of insulin
D) Storage of glycogen
Which of the following hormones is responsible for stimulating milk production in mammals?
A) Prolactin
B) Insulin
C) Thyroxine
D) Adrenaline
What is the primary function of the thalamus in the brain?
A) Coordination of movement
B) Regulation of body temperature
C) Processing of sensory information
D) Control of voluntary actions
Which of the following is not a component of the human respiratory system?
A) Diaphragm
B) Trachea
C) Bronchus
D) Gallbladder
What is the primary function of the gallbladder in mammals?
A) Production of bile
B) Storage of bile
C) Production of insulin
D) Regulation of blood sugar levels
Which of the following hormones is responsible for the development of secondary sexual characteristics in mammals?
A) Testosterone
B) Insulin
C) Thyroxine
D) Prolactin
What is the primary function of the corpus callosum in the brain?
A) Regulation of body temperature
B) Coordination of movement
C) Communication between the two cerebral hemispheres
D) Production of hormones
Which of the following is not a function of the integumentary system in animals?
A) Protection against pathogens
B) Regulation of body temperature
C) Production of hormones
D) Sensory perception
Which hormone is responsible for regulating the body’s response to stress in mammals?
A) Insulin
B) Cortisol
C) Estrogen
D) Growth hormone
What is the primary function of the pineal gland in mammals?
A) Regulation of blood sugar levels
B) Production of adrenaline
C) Regulation of sleep-wake cycles
D) Control of voluntary actions
Which of the following hormones is responsible for stimulating uterine contractions during childbirth?
A) Oxytocin
B) Estrogen
C) Progesterone
D) Testosterone
What is the primary function of the cerebellum in the brain?
A) Regulation of body temperature
B) Coordination of movement
C) Production of hormones
D) Memory storage
In mammals, which hormone is responsible for the regulation of water balance?
A) Aldosterone
B) Thyroxine
C) Insulin
D) Adrenaline