Work with a partner to label each statement true (T) or false (F). If the statement is false, correct it so that it is true

1. _______The nervous system is the main communication and decision-making system of the body.

2. _______The role of the digestive system is to take in food, break it down into small molecules, and put those molecules into the bloodstream.

3. _______The bones in your legs aren't able to support the weight of your body.

4. _______The peripheral nervous system (PNS) consists of the brain and the spinal cord.

5. _______The exchange of gases takes place in the trachea, which is the principle organ of breathing.

6. _______The bones that make up your spine allow you to sit up straight.

7. _______The blood is kept flowing round the body by the pumping action of the heart.

8. _______Integument separates all of the parts of the body inside and allows unwanted things to get into the body from the outside.

9. _______Immune system protects the body from invading organisms and disease.

10. _______An adult skeleton consists of 226 bones divided into three groups: the axial skeleton, appendicular skeleton and accessory skeleton.

11. Although muscle is a tissue composed of fibres that can contract and relax, it can't produce movement in a part of the body.

12. _______The chief endocrine gland is the thyroid.

13. _______Accessory organs help with digestion as they are part of the path of food.

3. Here are the answers to some questions from the text. What are the questions?

1. A system is a combination of organs that performs a particular function.

2. The skeleton is made of four different types of bone.

3. Yes, they are. The bones are the main support for the body.

4. Another function of your skeleton is movement.

5. No, they don't. The ribs don't provide protection for the abdominal organs.

6. Muscular system permits motions and movement of the body.

7. No, it isn't. The integument isn't the inner lining of die body.

8. It doesn't comprise the stomach and intestines. It comprises the heart and blood vessels.

9. It is a network of thin-walled vessels.

10. It doesn't discharge oxygen. It discharges carbon dioxide.

11. Yes, it is. It manufactures hormones.

12. Other endocrine glands are the thyroid, adrenals, and sex glands.

4. What do the following refer to in the text?

Example

To support organs and furnish a place of attachment for muscles - Skeletal system constitutes the framework of the body, supporting organs and furnishing a place of attachment for muscles.

- to be a storage place for smth.

- to be comprised of smth.

- to carry essential supplies of smth.

- to give the body shape

- to have functions in sensation and excretion

- to help the body obtain energy

- to process stimuli

- to produce movement

- to protect the organs

- to put smth. into the bloodstream

Date: 2015-09-18; view: 505; Нарушение авторских прав