B1 Revision

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Name the process used to release energy from food.
Respiration
1 of 24
What is the word equation for anaerobic respiration?
Glucose --> Lactic acid + energy
2 of 24
Name the type of blood vessels that take blood away from the heart.
Arteries
3 of 24
Describe the effect a high salt diet has on blood pressure.
It increases blood pressure
4 of 24
Name one type of food eaten to provide energy.
Carbohydrate, fat, protein
5 of 24
Calculate the RDA for someone with a body mass of 80kg
80 x 0.75 = 60g
6 of 24
Describe one type of physical digestion.
Chewing, stomach squeezing
7 of 24
What do digestive enzymes do?
Break down large food molecules into small soluble molecules
8 of 24
Name the four types of pathogens.
Fungi, virus, bacteria and protozoa
9 of 24
Explain why mosquitoes are called vectors.
They carry pathogens from one host to another.
10 of 24
Name the body system that protects against pathogens
Immune system
11 of 24
Describe the role of antibodies
They lock onto antigens causing the bacteria to stick together.
12 of 24
Name the five sense organs.
Eye, skin, ears, nose and tongue
13 of 24
Name the part of the eye that controls the amount of light entering it.
Iris
14 of 24
Explain the differece between a voluntary and reflex action.
We think about voluntary actions but reflex actions are done without thinking.
15 of 24
Write the following in the correct order so that they describe a reflex arc.
Stimulus, receptor, sensory neurone, CNS, motor neurone, effector, response
16 of 24
What effect do stimulants have on the brain?
They speed up activity
17 of 24
Name a class A drug that is also a hallucinogen.
LSD
18 of 24
Describe one short-term effect of alcohol.
A person loses their balance or finds it hard to talk clearly or finds it difficult to use their muscles
19 of 24
Describe one short-term effect of alcohol.
Cigarette smoke stops the cilia from moving. Dust and particles collect and irritate the cells. Smokers cough to move this mess upwards so it can be swallowed
20 of 24
Describe two ways the body keeps warm.
Exercise, shivering, releasing energy from food, less blood flow near the skin surface
21 of 24
Explain what is meant by the term 'hypothermia'
It is when body temperature fals to low
22 of 24
Name two hormones produced by the ovaries.
Oestrogen and progesterone
23 of 24
Describe one secondary sexual characteristic of girls and boys.
Hair growth in pubic area or under arms
24 of 24

Other cards in this set

Card 2

Front

What is the word equation for anaerobic respiration?

Back

Glucose --> Lactic acid + energy

Card 3

Front

Name the type of blood vessels that take blood away from the heart.

Back

Preview of the front of card 3

Card 4

Front

Describe the effect a high salt diet has on blood pressure.

Back

Preview of the front of card 4

Card 5

Front

Name one type of food eaten to provide energy.

Back

Preview of the front of card 5
View more cards

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