Compounds from different organisms are being used widely bu humans for their benefits. Some of the compounds are used as drugs. For example, penicillin is used as a drug or antibiotic. There are many plants which provides humans with other types of medicines and herbal remedies. There are other compounds which are used for cancer treatment. For example, taxol is a compound obtained from trees which are being used as anticancer drugs.
Answer:
1A - Respiratory = trachea, lungs... however both arteries and veins move oxygen around the body, and are therefore valid answers
1B - Skeletal = bones
1C - Muscular = muscles
1D - Digestive = stomach, large/small intestine
1E - Circulatory = heart, veins and arteries
2. Cellular respiration is the conversion of sugar into energy the cell uses to function via various chemical reactions. Digestion is an example of this. Stomach acid breaks down food into sugars that cells break down further into energy to keep you alive
3. Bones contain bone marrow deep inside of them which is responsible for the creation of red blood cells. Your lungs can move air all they want but would be useless without red blood cells to take the oxygen to cells and take the CO2 away from them.
What can make the shoots of seedlings on the window sill bend toward the window would be the production of hormones in response to light stimulus.
<h3>What is Phototropism?</h3>
It is the movement of organisms in response to light. It can be of two types:
- Positive phototropism when the organism moves toward light.
- Negative phototropism when the organism moves away from light.
Plants are generally positively phototropic. The light stimulus stimulates the production of a hormone whose activities cause the plant to bend towards the light source.
More on phototropism can be found here: brainly.com/question/15517003
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Photosynthesis and respiration are interrelated as stated in the last option