حل أوراق عمل الجزء الكتابي العلوم المتكاملة الصف السادس انسبير

حل أوراق عمل الجزء الكتابي العلوم المتكاملة الصف السادس انسبير

1. (a) Label the Respiratory System

(b) Name the gas which enters the body when you inhale.
oxygen

(c) Name the gas which leaves the body when you exhale.
carbon dioxide
(d) Name the part which connects pharynx to the bronchi.
Trachea

(e) Name the main organs of the respiratory system.
Lungs

Lesson 2.4 – Moving Materials
2. The figure below represents respiratory system, Study it and answer the questions:

(a) Which part receives air, food, and liquid from mouth or nose?
Pharynx

(b) Which part is common for both respiratory and digestive system?
Pharynx

(c) Name the part which is called as windpipe.
Trachea

(d) Name the narrow tubes that lead into lungs.
Bronchi

(e) Name the part that is held open by C-shaped rings of cartilage.
Trachea

(f) Name the part that causes changes in the air pressure inside your chest.
diaphragm .

Lesson 2.4 – Moving Materials
3. (a) Identify the process in the picture.

(b) The diaphragm contracts. And moves down
(c) The air pressure is low  So the air rushes in… to
equalize air pressure.

4. (a) Identify the process in the picture.

(b) The diaphragm …relaxes….. And moves up
(c) The air pressure is …high…….. So the air rushes out to
equalize air pressure.

Lesson 2.4 – Moving Materials

Lesson 2.4 – Moving Materials
6. (a) Label the picture.

(b) Name the part in which gas exchange happens.
alveoli

(c ) Why are the walls of alveoli is thin and has large surface area?
To enable high rate of gas exchange

(d) Write the pathway of inhalation.
Nose, pharynx, trachea, bronchi, bronchioles, alveoli, blood stream

€ Write the pathway of exhalation.
Blood stream, alveoli, bronchioles, bronchi, trachea, pharynx, nose

Lesson 2.4 – Moving Materials
7. Do you think blood has role in breathing? Explain

8.Which statement best describes an interaction between the respiratory system and the circulatory system shown here?

Oxygen moves from the alveoli into the blood.

Lesson 2.3 – Obtaining Energy and removing waste
1. (a) Label the digestive system.

(b) Name the process in which food is broken down into small pieces.
mechanical digestion

(c) Name the process in which food is broken down into small molecules.
chemical digestion

(d) Chewing is what kind of digestion?
mechanical .

(e) Name the organ that connects mouth to the stomach.
Esophagus

(f) Which parts of the digestive system absorbs water?
small and large intestine