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katrin2010 [14]
3 years ago
14

A hypothesis is a(n) ______________, while a theory is a(n) ______________.

Biology
1 answer:
tatuchka [14]3 years ago
3 0

Answer:

The answer is A. educated guess based on observations, set of tested hypothesis that explains why something happens.

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What is not a contribution of the cardiovascular system to other body systems?
Vinvika [58]

OPTIONS:

a) Blood delivers calcium and phosphate ions that are needed for building bone extracellular matrix.

b) Blood carries carbon dioxide to body tissues and removes oxygen for use by other organs.

c) Blood carries newly absorbed nutrients and water to the liver.

d) Blood circulates cells and chemicals that carry out immune functions.

e) Blood delivers clotting factors and WBCs that aid in hemostasis when skin is damaged

Answer:

b) Blood carries carbon dioxide to body tissues and removes oxygen for use by other organs.

Explanation:

Options a, c, d, e are all true statements about the contributions of the cardiovascular system to other body systems except option b which states that “Blood carries carbon dioxide to body tissues and removes oxygen for use by other organs”.  

Actually, the cardiovascular system works together with the respiratory system to supply oxygen to body tissues as blood is circulated in the body, while carbon dioxide is removed from the body at the lungs. <em>In order words, carbon dioxide is removed, while oxygen is picked up as blood is transported through the capillaries of the lungs. </em>

8 0
3 years ago
The load is the pivot point of a lever. true or false
k0ka [10]

Answer:

False the right answer would be the fulcrum.

Explanation:

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3 0
2 years ago
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The heart is ________________ to the urinary bladder
Alex73 [517]
Answer:

The heart is either superior to the urinary bladder or midline, but I’d go with superior.

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5 0
3 years ago
The main difference between starch and cellulose is that:
Musya8 [376]

Answer: the residues are connected differently in starch and cellulose.

Explanation:

Starch is formed from alpha glucose, while cellulose is made of beta glucose. The difference in the linkages lends to differences in 3-D structure and function. Starch can be straight or branched and is used as energy storage for plants because it can form compact structures and is easily broken down.

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3 years ago
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Write 3 statements you know about the Corona virus from the Tv, friends. Thanks
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Answer:

it's contagious

you should stay 6 feet apart

could be fatal

Explanation:

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3 years ago
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