CHEMISTRY HIGH SCHOOL

Why might calcium be important in the diet of many living
things?

Answers

Answer 1
Answer:

Answer:

Calcium is a nutrient that all living organisms need, including humans. It is the most abundant mineral in the body, and it is vital for bone health. Humans need calcium to build and maintain strong bones, and 99% of the body’s calcium is in the bones and teeth.
Answer 2
Answer:

Answer: Helps form bones and shells

Explanation:

Related Questions

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The range in size of most atomic radii is approximately _____.5 × 10−11 m to 2 × 10−10 m
2 to 5 nm
5 × 10−21 m to 2 × 10−20 m
2 to 5 cm

Answers

The atomic radii is approximately between 5 × 10−11 m to 2 × 10−10 m
The range in size of most atomic radii is approximately 5 × 10−21 m to 2 × 10−20 m. The rest of the choices do not answer the question above.

What are compounds?A. Pure Substances

B. Heterogeneous Mixture

C. Homogeneous Mixture

Answers

I think the correct answer is option A. Pure substances can be considered as compounds. Compounds are molecules made of atoms from different elements held together by chemical bonds. Pure substances are these compounds that exist alone no other substance.

Smooth muscles can be found in each of the organs below exceptA. the stomach
B. the small intestine
C. the heart
D. the large intestine

Answers

c. the heart

Smooth muscles are the type of muscles that can be found in the organs like the stomach, the small intestine and the large intestine however, smooth muscles cannot be found in the heart. A smooth muscle is also called as the involuntary muscle which means that it cannot be controlled and that it contracts or expands without you telling these muscles to do so. They can also be found on the walls of the other inner organs like the bladder, uterus and blood vessels. These type of muscles has longer or almost permanent contractions compared to that of the skeletal muscles.
C, the heart, because the heart is Cardiac Muscle.

The four basic blood types are:
A
B
D
AB
AO
O

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The four basic blood types are: A, B, AB and O.

Answer:

AB, A, O and B.

Which party system is most common in a typical dictatorship?

Answers

Answer:one-party system

Explanation:Just had this question on my post test and was correct

Using the following phase diagram, the area labeled A is in what phase?Solid

Liquid

Gas

Answers

Using the following phase diagram, the area labeled A is in what phase?Using the following phase diagram, the area labeled A is in the liquid phase.
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Nonmetals make up the largest grouping of elements on the periodic table. answer True or False
Which of the following indicates a Web site's country of origin is Canada? A. .uk B. .ka C. .us D. .ca Which of the following best describes spam? A. A program that's not compatible with your browser B. A program that will give your computer extra power C. Electronic junk mail D. Computer viruses
The election configuration has of an element is 1s^2 2s^2 2p^1. How many valence electrons does the element have?
To break a chemical bond, energy must be(1) absorbed (2) destroyed (3) produced (4) released