Human Body Systems
Biology ⇒ Human Biology
Human Body Systems starts at 6 and continues till grade 12.
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See sample questions for grade 11
Describe the pathway of blood through the heart, starting from the right atrium.
Describe the role of the diaphragm in respiration.
Describe the role of the hypothalamus in the human body.
Describe the role of the synapse in neural communication.
Explain how the structure of the alveoli is adapted for efficient gas exchange.
Explain the difference between arteries and veins.
A patient is experiencing muscle weakness and fatigue. Laboratory tests reveal a deficiency in acetylcholine at neuromuscular junctions. Explain how this deficiency affects the muscular system.
A person inhales air containing 21% oxygen and exhales air containing 16% oxygen. Calculate the approximate percentage of oxygen absorbed by the body during one breath.
Which blood vessels carry blood away from the heart?
(1) Veins
(2) Arteries
(3) Capillaries
(4) Venules
Which gland is known as the 'master gland' of the endocrine system?
(1) Thyroid gland
(2) Pituitary gland
(3) Adrenal gland
(4) Pineal gland
Which hormone regulates blood sugar levels?
(1) Insulin
(2) Thyroxine
(3) Adrenaline
(4) Estrogen
Which of the following best describes the function of red blood cells?
(1) Defend against pathogens
(2) Transport oxygen
(3) Clot blood
(4) Produce hormones
The _______ is the largest part of the human brain, responsible for higher brain functions such as thought and action.
The _______ is the tube that connects the mouth to the stomach.
The _______ system is responsible for defending the body against infectious agents.
The _______ system is responsible for producing gametes and enabling reproduction.
True or False: Platelets are involved in the process of blood clotting.
True or False: The endocrine system uses electrical signals to communicate between organs.
True or False: The human body has more than 600 muscles.
True or False: The large intestine is primarily responsible for water absorption.
