Which of the following elements is most important for respiration? carbon oxygen hydrogen nitrogen

2 answers:

5 0

Nearly 99% of the mass of your human body consists of just 6 chemical elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Another 5 elements make up most of the last percentage point: potassium, sulfur, sodium, chlorine, and magnesium

Otrada [13]3 years ago

4 0

Explanation:

Oxygen of course, because carbon is just the product of respiration, and we don't acutally breathe hydrogen or nitrogen - we might inhale them, of course, but we don't use them. They're just expelled.

Oxygen is used in many processes in our bodies both in big ones such as respiration or molecular ones like many cellular processes.

Answer:

B. / 2 - Oxygen.

Hope it helped,

BioTeacher101

You might be interested in

A testimonial ad for a first alert carbon monoxide (co) detector features parents who are discussing the dangers of carbon monox

Shkiper50 [21]

Answer:

The answer is fear

4 0

4 years ago

____________,inherited traits that increase an organism's chance of survival, also determine an organism's niche.

expeople1 [14]

Adaptation, inherited traits that increase an organism's chance of survival, also determine an organism's niche.

Adaptations are features or behaviors exhibited by organisms and are usually common in a population. Adaptations evolve by natural selection and they fit organisms to their environment. Adaptations have functional roles and may be physiological, structural or behavioral. The long necks of giraffes for feeding in the tops of trees, and the long canine teeth of carnivores are examples of adaptation.

7 0

4 years ago

Read 2 more answers

Pleace and peace!!!!!!!!!!!!!!!!!

Keith_Richards [23]

Answer:

Part a: C)

Part b: A)

Explanation:

a heterozygous (Rr) and a Homogenous (rr)

Part a: C)

There is only one out of 4 (Rr) so 1/4