Human Biology

Name:
How many systems are there in the human body?
7
9
11
13
If they were laid end to end in a straight line, how many times would all of the blood vessels in the body encircle the Earth?
2
3
4
5
Which of the following hormones is NOT produced by the Thyroid gland?
Thyroxine (T3)
Tri-iodothyronine (T4)
Thyroid-stimulating hormone (TSH)
Calcitonin
What is the strongest muscle or group of muscles in the human body for its weight?
Cardiac muscles
Masseter (jaw muscles)
Tongue muscles
Gluteus maximus (buttcheeks)
How many teeth does the average human adult have?
26
28
30
32
How many more times sensitive is your sense of smell compared with taste?
10
100
1000
10000
How many times does a human heart beat in an average life span?
0-1 billion
1-2 billion
2-3 billion
> 3 billion
How much of your total body weight does blood make up?
<1%
8%
17%
32%
How much saliva does the average human produce each day?
50 mL
500 mL
1 L
2 L
How many months after conception does an embryo develop fingerprints?
1
3
5
7
0
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