Science 1
◦Why do we take in nutrients?
-To provide energy for us
-To keep us healthy
Name the type of muscles that has 3 tendons
tricep
Name of example of ball and socket joints
Shoulder joint
Name the two muscles that helps you to bend your elbow
bicep and tricep
◦What is the difference between food and nutrients?
-Food is what you eat
-Nutrients is what your body absorb from the food
◦What are the 6 nutrients needed by your body?
-Carbohydrate
-Protein
-Fat
-Vitamin
-Mineral
-water
Some young children do not get enough protein or energy in their diet. Explain why they may not grow very tall.
Protein is needed to make new cells, and grow cells
Can you bend your bones?
No
What can Tar from cigarette do to your body?
Give you cancer (such as lung cancer)
How do you move your bones?
Muscles receive electrical impulse from tendons. The muscles will contract and relax
◦Give two examples of food that is rich in carbohydrates?
-Bread
-Cereal
-Pasta
-Rice
-Cake
-Potatoes
◦What is the function of iron?
-To make haemoglobin
Complete the sentence below.
Your skeleton in inside your body and it is made of _________
bones
What is a joint?
place where two bones meet
Name two types of joints.
- Hinge joints
- Ball and socket joints
Name of example of Hinge joints
Elbow
◦what is the name of the disease when someone is low in iron?
-Anaemia
People stop growing at age 16. True of false?
False
how can particulates from smokes disturb your body system
Particulates from smokes will trap inside the lung and break down the alveoli wall. - Difficult to get enough oxygen into the body
Some insects and other arthropods have a skeleton on the outside of their body. This is called..
exoskeleton
◦What happens when glucose reacts with oxygen?
-Produce carbon dioxide, water and energy
◦Name one food that is rich in calcium
-Milk
-Almonds
What is the difference between growth and development?
Growth- get bigger
development- know new skills (can talk, can walk, can run)
Why is it difficult to give up smoking once you have started?
because nicotine is addictive
What can carbon monoxide do to your body?
-Disturb the transport of oxygen throughout your body.
-Always feel tired because there is not enough oxygen in the body
◦What is the name of the process below?
Glucose + oxygen à carbon dioxide + water + energy
-respiration
◦What is the function of calcium?
- To keep the bone and teeth strong and healthy
What happen if you do not take in vitamin A?
get night blindness
Name four substance present in a cigarette
1.Nicotine
2.Tar
3.Carbon monoxide
4. Particulates
People who smokes will take in Carbon monoxide. The carbon monoxide will combine with a special red pigment in your blood. What is the name of the pigment?
haemoglobin
◦Egg is rich in protein. Provide two reasons why we need protein.
-For growth
-For cell repair
-To make new cells
-To make haemoglobin and antibodies
-To get energy
◦Name the two types of minerals
-Calcium
-Iron
Define what is balanced diet
diet that provides all different kinds of nutrients, and the right amount of energy.
How can exercise make your body healthier?
Your heart and muscles will become strong
What can Nicotine do to your body?
- Keep you stay alert.
-Makes blood vessels to become narrower. Disturb blood circulation.
-Gives you heart disease
Other than egg, name another two food that is rich in protein
-Meat
-Fish
-Nuts
-Dairy products (milk)
What is an example of antagonistic muscles. and how does it work?
Teamwork
When you bend your arm – biceps contracts and the triceps relaxes
When you straighten the arm – triceps contracts and the biceps relaxes
Growth means getting bigger. Explain what happens as a person grows, to make their body get bigger
The cell divide and gets larger
Defined what is unbalanced diet
Diet that contains too much or too little nutrient
There is a poisonous gas in a cigarette. What is the name of the poisonous gas?
Carbon monoxide
◦What is the function of oil and fat in our body?
-Stored as an energy reserve
-Make cell membranes
◦Where are the carbohydrates stored in the body?
-Liver and muscles
◦What is the name of the disease when someone is low vitamin C?
-scurvy
◦What is the name of the disease when someone is low vitamin D?
-rickets
Suggest the types of nutrients the pregnant lady need to make sure she and the baby are healthy
protein - help to build new cells for the baby
iron - make haemoglobin for herself and the baby
calcium - to build her baby’s bone