CHAPTER 2: NUTRITION
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CHAPTER 2: HUMAN DIGESTIVE SYSTEM 1. The diagram below shows the process that occurs in the digestive tract. Rajah di bawahmenunjukkan proses yang berlakudalamsalurpencernaan. a. Name the process Namakan proses tersebut. [1 mark/ markah] b. X moves along the oesophagus through the contraction and relaxation of the muscles in the wall of digestive tract. What is X? X bergerak disepanjang esophagus melalui pengecutan dan pengenduran otot- otot dinding salur pencernaan. Apakah X? [1 mark/ markah] c. Complete the diagram below to show the pathway of food in the human digestive system. Lengkapkan rajah di bawah bagi menunjukkan urutan laluan makanan dalam salur pencernaan manusia. mouth mulut Stomach Perut Anus Dubur Rectum Rektum Small intestine Usus kecil [3 marks/ markah]
description
simple exercise
Transcript of CHAPTER 2: NUTRITION
CHAPTER 2: HUMAN DIGESTIVE SYSTEM
1. The diagram below shows the process that occurs in the digestive tract.Rajah di bawahmenunjukkan proses yang berlakudalamsalurpencernaan.
a. Name the processNamakan proses tersebut.
[1 mark/ markah]
b. X moves along the oesophagus through the contraction and relaxation of the muscles in the wall of digestive tract. What is X?X bergerak disepanjang esophagus melalui pengecutan dan pengenduran otot-otot dinding salur pencernaan. Apakah X?
[1 mark/ markah]
c. Complete the diagram below to show the pathway of food in the human digestive system.Lengkapkan rajah di bawah bagi menunjukkan urutan laluan makanan dalam salur pencernaan manusia.
mouthmulut
StomachPerut
AnusDubur
RectumRektum
Small intestineUsus kecil
[3 marks/ markah]
d. Predict what will happen if gastric juice is not secreted in the stomach.Ramalkan apa yang akan terjadi jika jus gaster tidak dirembeskan ke dalam perut.
[1 mark/ markah]
2. Diagram below shows tiny projections found in the small intestine.Gambar di bawah menunjukkan unjuran halus yang terdapat pada usus kecil.
a. Name the structure of X.Namakan struktur X.
[1 mark/ markah]
b. State two characteristics of these structures that help small instestine to absorb digested food quickly.Nyatakan dua cirri struktur ini yang membantu usus kecil menyerap makanan tercerna dengan cepat.
[2 marks/ markah]
c. Write true or false for the following statements.Tuliskan benar atau salah bagi pernyataan yang berikut.
Glucose and amino acids are absorbed through the small intestine into the blood stream by diffusion.Glukosa dan asid amino diserap melalui usus kecil ke dalam saliran darah secara resapan.Blood transports nutrients to the hearts and then liver to be sent to the entire body.Darah mengangkut nutrien ke jantung dan kemudian hati untuk dihantar ke seluruh badan.
Fatty acids and glycerol are transported throughout the body through lacteal.Asid lemak dan gliserol diangkut ke seluruh badan melalui lacteal.
[3 marks/ 3 markah]
