How does exercise benefit the cardiovascular system

Answers

Answer 1

Answer: Aerobic means "with oxygen," so when you exercise aerobically your body needs an extra supply of oxygen. Your heart has to work harder to continuously deliver the oxygen to your body, and this makes your heart stronger.

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Below is a segment of a strand of normal DNA:ATA GCA TGAIf the DNA sequences changes to:AAT AGC ATGAthis would be an example ofan insertion mutationa homozygous mutation a deletion mutationNatural Selection
True or false all organisms have the same amount of chromomses.
Name a human alimentary canalinwhich digestion of food not occurs can it oesophagus
Which of the following has a negative electrical charge?o cation onlyo anion onlyO Both cations and anions have negative charge.
the functioning of DNA and RNA are affected by various enzymes. Sometimes, environmental factors can influence how these enzymes work. Which of these are factors that can change enzyme functionality?

Which best describes the nature of cellular respiration? It is an energy-seeking process. It is an energy-gathering process. It is an energy-releasing process. It is an energy-destroying process.Which best describes the nature of cellular respiration?

Answers

Answer:

It is an energy - releasing process

Explanation:

Chemical energy stored in the food we eat is released to the body through the process called Cellular Respiration. The energy that is released, is partially captured in the form of ATP and released to fuel other processes

It is an energy releasing process

Why is photosynthesis important to the biosphere?A. It reduces carbon dioxide levels in the atmosphere.
B. It provides energy input into the biosphere.
C. It provides a means for water to enter the biosphere.
D. It balances the activities of decomposers.

Answers

Answer:

Why is photosynthesis important to the biosphere?

A. It reduces carbon dioxide levels in the atmosphere.

B. It provides energy input into the biosphere.

C. It provides a means for water to enter the biosphere.

D. It balances the activities of decomposers.

I believe the answer is D!

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It’s A because plants convert carbon dioxide to oxygen

Which of the following are primary consumersA) rat snakes
B) gray squirrels
C) red maple trees
D) sweet gum trees

Answers

B. Gray squirrels
because in the food chain a primary consumer is an animal that feeds on plants; a herbivore.

Most energy enters the ecosystemThrough the process of celular respiration
through the process of photosynthesis
by absorbing sun through the skin
bycetecting of the atmosphere

Answers

Answer: by absorbing sun through the skin.

Explanation:

most energy enters the ecosystem because of the sun .

What might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the heart?

Answers

Considering answers;

-fever

-constricted veins

-swollen veins

-confusion

Answer;

Swollen veins

Swollen veins might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the heart.

Explanation;

Valves are structures that are found in the circulatory system both in the heart and the veins.

They function to prevent the back flow of blood.

They do so by ensuring the continuous flow of blood in one direction.

If the valves are not functioning properly it may lead to various effects such as swollen veins due to the back flow of blood which may lead to the pooling of blood in the extremities.

The answer is C. swollen veins.

Good luck :)

Name the plastid found in the cells of yellow coloured petals.

Answers

Answer:

Chromoplast is that plastid which is found in the cells of yellow petals.

Other Questions

Free points!!!!!! which formation results from the breakout of rocks and the mixing of resulting particles with organic matter and water?a. mountains b. soilc. ice cracksd. glaciers

Two test tubes are filled with a solution of bromthymol blue. A student exhales through a straw into each tube, and the bromthymol blue turns yellow. An aquatic green plant is placed in each tube, and the tubes are corked. One tube is placed in the dark, and the other tube is placed in direct sunlight. The yellow solution in the tube in sunlight turns blue, while the one in the dark remains yellow. Which statement best explains why the solution in the tube placed in sunlight returns to a blue color?Question 11 options:Oxygen was produced by photosynthesis.Oxygen was removed by respiration.Carbon dioxide was removed by photosynthesis.Carbon dioxide was produced by respiration.

What does nonmetal mean in science?

Which of the following is not a typical way for a person to catch a disease?A. From pathogens in boiled water. B. From pathogens in the air. C. From pathogens in poorly cooked food. D. From physical contact with an infected person. Imagine you were investigating the cause of a mysterious disease. Which of the following would not be important to determine? A. The food that the diseased people recently ate. B. Who the diseased people were in contact with recently. C. Where the diseased people had recently been. D. How wealthy the diseased people were. Where would a disease transmitted by person-to-person contact be most likely to spread quickly? A. In a remote region, where contact between people is rare. B. In a rural farming community, where neighbors live miles apart. C. In a crowded city. D. In a medical lab, where people wear protective gear (face masks, gloves, etc.) and equipment is regularly sterilized. What type of disease transmission is most likely represented by the graph shown below? Graph of disease spread A. Person to person. B. Foodborne. C. Airborne. D. Foodborne and airborne. Which of the following patterns is most likely to indicate a foodborne illness? A. All of the victims worked in the same office. B. All of the victims were friends. C. All of the victims shopped at the same supermarket. D. All of the victims had the same symptoms.