Digestive system
What is another name for digestive system
Digestive tract
How many liters of blood does a human have?
around 5 litres
What is respiratory system
The respiratory system is the body’s network of organs and structures that enables breathing, allowing oxygen to enter the body and carbon dioxide to be expelled.
What is the excretion
Removal of waste products from the body
What is skeletal and muscular system
bones and joints and skeletal muscles.
What is mechanical digestion
physical breakdown of food
What do Red blood cells do?
They transport oxygen
What is bronchi and bronchioles?
Bronchi are the larger air passages that branch from the trachea into the lungs, consisting of C-shaped cartilages for structural support. Bronchioles are smaller airways that branch off from the bronchi, lacking cartilage and further dividing into even smaller passages.
Where are kidneys located
Near the lower back (around where thumbs rest on hips).
What is the structure of muscles
made of tough elastic fibres
what is assimilation
nutrients converted into usable substances in cells
What is the function of the circulatory system
Transports oxygen and nutrients to the cells
What is alveoli
Alveoli are tiny, balloon-like air sacs in the lungs where oxygen enters the blood and carbon dioxide is removed.
What is the job of a nephron
It filters blood, removes waste and excess substances.
What are the types off fractures
complete fracture and greenstick fracture
What is denaturation
High temperatures cause enzymes to denature (change shape)
What is the difference between Arteries and veins
Arteries carry blood away from the heart and veins carry blood towards the heart
What is the difference between a pulmonary vein and a normal vein
Pulmonary vein is the only vein which carries pure blood. A normal vein carries impure blood
What is haemdialysis
used when kidneys fail to remove wastes effectively
What is greenstick fracture
bone cracks but does not break and is more common in children
What happens when enzymes have faced denaturation
It cannot function or return to its original shape
What is the scientific term for Red and White blood cells
Erythrocytes (red blood cells) and Leucocytes (White blood cells)
What is a diaphram
flexible, dome shaped, muscular layer separating the chest and the abdomen; it is involved with breathing
What is detoxification
converts poisons/toxins into harmless substances.
What is rheumatoid arthiritus
Swelling of joint tissues