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 12
Describe the pathway of blood flow through the heart, starting from the right atrium.
Describe the process of muscle contraction according to the sliding filament theory.
Describe the process of synaptic transmission in the nervous system.
Describe the role of antibodies in the immune system.
Describe the role of the hypothalamus in the endocrine system.
Explain how negative feedback helps maintain homeostasis in the human body.
Explain how the structure of the small intestine aids in its function of nutrient absorption.
Explain the difference between the somatic and autonomic nervous systems.
Which of the following best describes the function of the diaphragm in respiration?
(1) Produces sound
(2) Contracts to increase thoracic volume during inhalation
(3) Filters air
(4) Absorbs oxygen
Which of the following best describes the function of the epiglottis?
(1) Produces digestive enzymes
(2) Prevents food from entering the trachea
(3) Absorbs nutrients
(4) Filters air entering the lungs
Which of the following best describes the function of the lymphatic system?
(1) Oxygen transport
(2) Defense against infection
(3) Hormone production
(4) Digestion of fats
Which of the following best describes the role of the alveoli in the respiratory system?
(1) Filtering dust from air
(2) Warming inhaled air
(3) Gas exchange between air and blood
(4) Producing mucus
The ________ gland is often referred to as the 'master gland' of the endocrine system.
The ________ is the largest organ in the human body.
The ________ system is responsible for removing carbon dioxide from the body.
The ________ system is responsible for transporting hormones throughout the body.
True or False: The human body has more veins than arteries.
True or False: The large intestine is primarily responsible for nutrient absorption.
True or False: The pancreas is both an endocrine and exocrine gland.
True or False: The primary function of the reproductive system is to produce gametes and support the development of offspring.
