Human Body

Question 1

Dendrites:

Answer 1

receives messages from the connecting neuron (chemical messages)

Question 2

Cell body/soma:

Answer 2

Maintains Neurons structure and provides energy to the neuron

Question 3

Nucleus:

Answer 3

contains genetic information

Question 4

Myelin sheath:

Answer 4

protects the axon to allow chemical messengers to be transmitted quickly and efficiently

Question 5

Axon:

Answer 5

Conducts electrical messages away from the cell body

Question 6

Axon terminal:

Answer 6

releases the messages across the synapse to adjacent neurons.

Question 7

Synapse:

Answer 7

small gap between two neurons also referred as synaptic gap.

Question 8

5. Can I describe the 5 steps in a stimulus-response question for any voluntary reaction?

Answer 8

Stimulus, receptor, Control centre, effector, response

Question 9

Involuntary reaction:

Answer 9

Stimulus, receptor, Interneuron, effector, response

Question 10

Can I state 3 causes of a spinal cord injury (SCI)

Answer 10

Fall from a height, car crash, sport injuries.

Question 11

3 possible consequences on the body on SCI injury?

Answer 11

Low blood pressure, The brain and nervous system doesn’t function as well, legs can be tingling or numb

Question 12

Why is it important for a reflex reaction (involuntary response) to be faster?

Answer 12

It is faster to either avoid danger or minimise any damage from harmful conditions.

Question 13

Parathyroid:

Answer 13

produce parathyroid hormone, which plays a key role in the regulation of calcium levels in the blood.

Question 14

Thyroid gland:

Answer 14

regulates growth and energy expenditure

Question 15

Adrenalgland:

Answer 15

regulate your metabolism, immune system, blood pressure, response to stress and other essential functions.

Question 16

Pancreas:

Answer 16

controls your blood sugar by releasing a hormone called insulin into your bloodstream.

Question 17

Pituitary gland:

Answer 17

produces hormones.

Question 18

Can I describe 2 hormones that are released in the endocrine system and their role in the human body?

Answer 18

help to control many body functions, such as growth, repair and reproduction.

Question 19

3. Can I name and describe the role of the master gland in the human body?

Answer 19

The pituitary gland

Question 20

Hormone:

Answer 20

are your body’s chemical messengers produced by the body to control and regulate certain cells and organs.

Question 21

Gland:

Answer 21

an organ that makes substances such as hormones.

Question 22

Homeostasis:

Answer 22

the maintenance of a stable internal enviroment within narrow limits

Question 23

Negative feedback

Answer 23

a response to a stimulus that counteracts the change to return to the set point.

Question 24

why its important to maintain a constant core body temperature?

Answer 24

We need to have a stable body temperature to so the enzymes and organs in our body can function.

Question 25

Above normal Temperature method:

Answer 25

Sweat glands release more sweat to remove heat.

Question 26

Below normal temp method:

Answer 26

muscles shiver to generate heat

Question 27

Can I name the three main food groups,

Answer 27

Carbohydates:

9. Proteins: 
10. Lips:

Question 28

11. Can I write a word equation for aerobic cellular respiration?

Answer 28

C6H12O6 + 6O2 → 6CO2 + 6H2O (glucose + oxygen -> carbon dioxide + water).

Question 29

Can I name types of 4 micro-organisms that can cause disease?

Answer 29

bacteria, viruses, fungi, and protozoa

Question 30

Disease:

Answer 30

an ilness or condition that prevents a part of the body from functioning normally

Question 31

What is a vector:

Answer 31

a vector is an organism that transmits from individual to individual without having the disease. Eg. Fleas

Question 32

Can I state 3 factors that microbes require to survive?

Answer 32

hey need nutrients for energy, water to stay hydrated, and a place to grow that meets their environmental preferences.

Question 33

5. Can I discuss the effect of temperature on bacteria numbers?

Answer 33

Generally,an increase in temperature will increase enzyme activity. But if temperatures get too high, enzyme activity will diminish and the protein (the enzyme) will denature.

Question 34

Can I describe binary fission?

Answer 34

a single cell called the parent cell splits into two cells called daughter cells.

Question 35

Can I describe the difference between symptoms and signs of a disease?

Answer 35

Symptoms cannot be seen, there only felt

11. Signs-can be observed

Question 36

Can I suggest ways that we can minimise the risk of disease transmission?

Answer 36

Vaccinations, quarantine laws when sick, social distancing, good hygeine