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Science 4-Q2
Week 1
Major Organs of the
Human Body
S4LT-IIa-b-1
•Main
Function of
the Major
Organs
•Let’s Study!
Name and identify the following
parts of our body and answer
the following questions.
1. What parts of the body is in
the picture?
2. What is the function of the
kidney in our body?
3. What we should to maintain
our kidney healthy?
Guide Questions:
1. What do you feel?
2. What is pumping in your chest?
3. What organ is responsible for
pumping blood?
4. What is the function of the heart?
•Heart pumps blood through
the blood vessels of the
circulatory system. The
pumped blood carries
oxygen and nutrients to the
body, while carrying
metabolic waste such as
carbon dioxide to the lungs.
The Heart is a hollow muscular
organ located near the lungs and
is protected by the rib cage. Its
size is about the size of your fist.
It is made up of cardiac muscles
which is an example of an
involuntary muscle. Its function
is to pump blood to the different
parts of the body. The pumped
blood carries oxygen and
nutrients to the body The pulse
beat is also the beat of your
heart. needed by the different
parts of the body. If the heart
will stop pumping the person
will die. The blood carries the
oxygen
Lungs is located near the heart and is protected by the rib cage. It is made up of
tiny air sacs that filters the oxygen that enters the body to ensure that the heart
receives clean oxygen. Carbon dioxide is a waste material that is removed by the
body through the lungs. Breathing is the process of moving air into and out of the
lungs to facilitate gas exchange with the internal environment, mostly by
bringing in oxygen and flushing out carbon dioxide.
Breathing involves two processes. When a person breathe in, or inhale (takes in
oxygen), the diaphragm contracts and moves downward. The chest cavity
enlarges as the lungs expand into it. To exhale is to breathe out (takes out carbon
dioxide). It is the opposite of inhale. When a person breathe out, or exhale, the
diaphragm and rib muscles relaxes, reducing the space in the chest cavity. The
chest cavity or lungs gets smaller, similar to the releasing of air from a balloon.
Person can breathe (inhale and exhale) through the mouth and nose.
A normal adult lungs could weigh approximately 1000 grams
INTESTINE
HEART
LIVER
STOMACH
KIDNEY
3.
2. 1.
4.
5
Define the organ in our body
choose your answer in the box
Directions: Modified TRUE or FALSE. Write TRUE if the statement is correct. If the statement is
FALSE, underline the word that makes it wrong then change the word to make it correct. Do this in your
notebook.
_____1. Heart is a hollow muscular organ.
_____2. Lungs is protected by the ribcage.
_____3. The lungs filters the oxygen that enters the body.
_____4. The heart and lungs support each other to allow distribution of nutrients and oxygen to all parts and
removal of carbon dioxide as a waste product in the body.
_____5. The cardiac or heart muscles are contracting involuntarily.
_____6. Activities that demands more body movements decreases pulse rate and the lungs requires less air or
oxygen supply.
_____7. When a person breathes or inhales (takes in oxygen), the diaphragm contracts or moves downward and
the chest cavity enlarges.
_____8. Drinking too much alcohol and smoking is good for the heart and lungs.
_____9. The chest cavity or lungs gets smaller as the person exhales or breathe out carbon dioxide.
_____10. Good habits can help prevent the occurrence of heart and lung problems.

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Science 4-Q2 (week 1)11-9-22.pptx

  • 1. Science 4-Q2 Week 1 Major Organs of the Human Body S4LT-IIa-b-1
  • 3. •Let’s Study! Name and identify the following parts of our body and answer the following questions. 1. What parts of the body is in the picture? 2. What is the function of the kidney in our body? 3. What we should to maintain our kidney healthy?
  • 4. Guide Questions: 1. What do you feel? 2. What is pumping in your chest? 3. What organ is responsible for pumping blood? 4. What is the function of the heart?
  • 5. •Heart pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. The Heart is a hollow muscular organ located near the lungs and is protected by the rib cage. Its size is about the size of your fist. It is made up of cardiac muscles which is an example of an involuntary muscle. Its function is to pump blood to the different parts of the body. The pumped blood carries oxygen and nutrients to the body The pulse beat is also the beat of your heart. needed by the different parts of the body. If the heart will stop pumping the person will die. The blood carries the oxygen
  • 6.
  • 7. Lungs is located near the heart and is protected by the rib cage. It is made up of tiny air sacs that filters the oxygen that enters the body to ensure that the heart receives clean oxygen. Carbon dioxide is a waste material that is removed by the body through the lungs. Breathing is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly by bringing in oxygen and flushing out carbon dioxide. Breathing involves two processes. When a person breathe in, or inhale (takes in oxygen), the diaphragm contracts and moves downward. The chest cavity enlarges as the lungs expand into it. To exhale is to breathe out (takes out carbon dioxide). It is the opposite of inhale. When a person breathe out, or exhale, the diaphragm and rib muscles relaxes, reducing the space in the chest cavity. The chest cavity or lungs gets smaller, similar to the releasing of air from a balloon. Person can breathe (inhale and exhale) through the mouth and nose. A normal adult lungs could weigh approximately 1000 grams
  • 8. INTESTINE HEART LIVER STOMACH KIDNEY 3. 2. 1. 4. 5 Define the organ in our body choose your answer in the box
  • 9. Directions: Modified TRUE or FALSE. Write TRUE if the statement is correct. If the statement is FALSE, underline the word that makes it wrong then change the word to make it correct. Do this in your notebook. _____1. Heart is a hollow muscular organ. _____2. Lungs is protected by the ribcage. _____3. The lungs filters the oxygen that enters the body. _____4. The heart and lungs support each other to allow distribution of nutrients and oxygen to all parts and removal of carbon dioxide as a waste product in the body. _____5. The cardiac or heart muscles are contracting involuntarily. _____6. Activities that demands more body movements decreases pulse rate and the lungs requires less air or oxygen supply. _____7. When a person breathes or inhales (takes in oxygen), the diaphragm contracts or moves downward and the chest cavity enlarges. _____8. Drinking too much alcohol and smoking is good for the heart and lungs. _____9. The chest cavity or lungs gets smaller as the person exhales or breathe out carbon dioxide. _____10. Good habits can help prevent the occurrence of heart and lung problems.