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maks197457 [2]
3 years ago
14

Describe three ways in which the organs of the circulatory system and respiratory system are protected.

Biology
2 answers:
Ipatiy [6.2K]3 years ago
7 0
The circulatory system and respiratory system are protected by your skin, muscles, and ribs.
bagirrra123 [75]3 years ago
7 0
In the respiratory system, your lungs are protected by your ribs. In the circulatory system, your veins are protected by skin I believe. 
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Renewable Resources

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Transmission electron Microscope

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Match each structure on the left with the corresponding function on the right. Group of answer choices Chemically digests food,
Ad libitum [116K]

Answer:

1. Chemically digests food, absorbs nutrients and minerals from food - Small intestine

2. Breaks down and physically digests food - Stomach

3. Metabolizes nutrients, detoxifies blood, makes bile - Liver

4. Stores and concentrates bile - Gallbladder

5. Removes waste products and excess fluid - Kidney

6. Filtering structure of kidney - Nephron

7. Produces eggs and reproductive hormones - Ovary

8. Produces sperm and reproductive hormone - Testis

Explanation:

This question is asking to correctly match certain digestive organs with their respective function. The organs and their function are as follows:

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- Stomach: This breaks down and physically digests food.

- Liver is responsible for metabolizing nutrients, detoxification of blood, and making of bile.

- Gall bladder is a greenish yellow organ responsible for the storage and concentration of the bile produced by the liver.

- Kidney is the major excretory organ of the body, which removes waste products and excess fluid from the body.

- Nephrons are numerous filtering structure of the kidney.

- Ovary is the female reproductive organ that produces the eggs/ova and other reproductive hormone like oestrogen.

- Testis is the male reproductive organ that produces the sperm and other reproductive hormone like testosterone etc.

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Of the following experimental results, which is the best evidence that photosynthesis is more efficient at certain wavelengths o
GarryVolchara [31]

Answer:

The correct answer will be option-C

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The plants absorb maximum sunlight at two wavelengths that are red and blue wavelength by chlorophyll and other pigments. The efficiency of photosynthesis is also measured maximum at these two active wavelengths called action spectrum.

In the given question, since the efficiency of photosynthesis has been discussed which could be measured with the production of oxygen and consumption of carbon dioxide. The experiment performed by the Engelmann showed that aerobic bacteria got concentrated in the blue and red wavelengths as the output of the photosynthesis were observed maximum.

Thus, the selected option is the correct answer.

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