Body Systems 1
The system that breaks down food for cells to use.....
Digestive system
Body system that captures oxygen from the atmosphere...
Respiratory system
The body system that secretes hormones is
Endorcrine System
Your body's delivery system is
It delivers oxygen and nutients to every part of your body and picks up waste products on the return trip.
What system is the kidney apart of?
Excretory
What is the largest organ of the body?
( bone, skin, muscle, blood cells, small intestine)
skin
This organ of the circulatory system is composed of completely involuntary muscle tissue and without it we will die
Heart
A large muscle that seperates the lungs from the stomach. This muscle expands and contracts when you breathe.
Diaphragm
The basic building blocks of all living organisms.... (5 letters)
cells
Organ that absorbs water and nutrients from food and carries away waste
Large intestine (colon) soaks up water and rids solid waste.
A waste gas that is transported in veins from the body to the lungs via the heart
carbon dioxide
What does the pancreas do?
Secrete insulin
Where does the largest amount of absorption take place in the digestive system?
small intestines
Sketch this muscular bag that contains acid ( digetive juices) and breaks food down into a liguid called chyme. It can hold about a liter of food for adults and a bit less for a child.
Stomach
What does insulin do?
Lower blood sugar (glucose)
Differences between arteries and veins - (Why are arteries colored red and the veins blue?)
Arteries carry oxygen rich blood from heart to the rest of your body, and veins carry blood less oxygen back to the lung to breath out.
When a person becomes ill, there are more ____________ cell than normal in their blood.
White blood cells help fight disease by surrounding and destroying germs.
What does the adrenal gland do?
Produce adrenaline, the hormones for excitement and stress.
List the 5 main organs that make up the Digestive System.
mouth, esophagus, stomach,small intestine, large intestine
Disease causing organisms such as viruses or bacteria AKA germs!!
Pathogens
What does glucagon do?
raise blood sugar (glucose)
What part in the blood stop bleeding ( flow of blood) by sticking together to a wound and helping form a scab.
Platelets
What are the specialized proteins that respond to a specific antigen/pathogen and destroy it.
antibodies
List the 4 main organs that make up the Respiratory System
nose, throat ( larynx), trachea, lungs, bronchi & diaphragm
Why people who are suffered from asthma have trouble breathing properly?
Asthma is an illness that makes it hard for a person to breathe. The bronchi become swollen making the airway passages smaller for air to flow in and out of the lungs.
List at least 3 things that our body has in the immune system to act as a line of defense to help fight off pathogens.
skin
mucus/nose hairs
stomach acid
Explain how 2 systems in the body work together. Include detail!!
Answers may vary
What is the function of the nervous System?
Detects a change (stimulus).
Receives information and interprets.
Responds to stimulus.
Explain the function of the respiratory system
To provide a constant supply of oxygen to keep your body cells functioning
To remove carbon dioxide from the body cells
Explain how a feedback mechanism maintains homeostasis. Give an example of positive or negative feedback.
Negative - pancreas releasing insulin to lower blood sugar
Positive - Baby pushing on cervix during childbirth