The Human Body
What is the largest organ and system in the body?
Name 3 things this organ is responsible for
Skin: prevents injury to internal organs, protects against entry of bacteria, prevents loss of too much water, natural protective covering.
What is the control and message system of the body?
What are the two main parts?
The nervous system: CNS & PNS
When your body automatically respond to a stimuli.
reflex
What organ produces bile to help digest fats?
liver
The exchange of gases occur in what part of the Respiratory system?
alveoli
This is when the body's systems are all working together to maintain internal stability.
Homeostasis
Why is the left ventricle thicker than the right ventricle?
Because it pumps blood to the entire body and requires more force.
What is the longest organ in the digestive system?
small intestine
Give an example of an infectious disease?
coughing, sneezing
The gland that produces melatonin, a hormone that helps regulate the sleep–wake cycle, is the pineal gland.
pineal gland
Atria
____carry blood to the heart and carries _____ type of blood. _____carry blood away from the heart and carries _____type of blood.
Veins, deoxygenated. Arteries, oxygenated.
Arterial blood and Venous blood
What makes up the body's sense organs?
Ears, Eyes, Nose, Tongue, Skin
The system that provides hormone for growth and development.
endocrine system
What is the circulatory system made up of?
Heart, blood vessels and blood
What is the function of the large intestine?
It absorbs water and forms feces
What is the difference between the CNS and the PNS?
The CNS is composed of the brain and spinal cord. Th PNS deals with the nerves
Blood filtration under the urinary system starts in which part of the kidney?
Renal cortex
What is the role of valves in the heart?
They prevent the backflow of blood and ensure one-way blood flow.
A person has difficulty producing digestive enzymes. How might this affect digestion?
Food may not be broken down properly, causing difficulty absorbing nutrients.