1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Likurg_2 [28]
3 years ago
14

What happens during gas exchange?

Biology
2 answers:
Misha Larkins [42]3 years ago
7 0

Red blood cells exchange carbon dioxide for oxygen

finlep [7]3 years ago
6 0
The answer would be letter a
You might be interested in
Scientists have evidence that meteorites have come from which option of locations?
Step2247 [10]

Mars and Moon are the locations from which meteorites would come.

Option (c);

<u>EXPLANATION: </u>

  • The meteorites found on Earth look like martian crystal rocks.
  • These might be first ejected into space during a collision of an asteroidal object with Moon or Mars and then it got into the Earth orbit because of the force produced during the collision.
  • There are around seventy meteorites recognised to have come from the planet Mars till up to the present date.
  • There are three types of meteorites such as Martian meteorites and a sample of two lunar meteorites.
  • To identify the origin of the meteorite, the scientist tries to identify the type of rock followed by analysing the chemical composition and then try to identify its age.
8 0
3 years ago
Very small changes in the solute concentrations in the various fluid compartments cause water to move from one compartment to an
Oksana_A [137]

Answer:

a. Decrease water reabsorption : decrease blood pressure.

b. Decrease peripheral resistance : decrease blood pressure

c. Vasodilation : decrease blood pressure

d. Decrease salt intake : decrease blood pressure

e. Decrease blood volume : decrease blood pressure

f. Vasoconstriction : increase blood pressure

g. Increase peripheral resistance:  increase blood pressure

h. Increase salt intake:  increase blood pressure

i. Increase blood volume : increase blood pressure

j. Increase water reabsorption: increase blood pressure

Explanation:

  • Total peripheral resistance: This term refers to the resistance offered by the vascular system to the blood flow.  This resistance is a result of the friction between the blood and the vessel's walls. In other words, it is the opposition of the vessels to blood flow. The total peripheral resistance is the summary of all the bloody circuit resistances in the body. Those mechanisms that induce vasoconstriction conduce to an increase in total peripheral resistance, while mechanisms that induce vasodilation provoke a decrease in total peripheral resistance.    
  • Blood pressure: This term refers to the strength applied by the blood against the vessel walls as it flows.  This pressure is determined by the bombed blood strength and the volume as well as by the vessel size and flexibility. Blood pressure changes continuously according to the activity, temperature, diet, emotional state, among others.    
  • Salt ingestion causes an increase in plasmatic osmolarity, stimulates thirst, and hence, water ingestion. Sodium retains water, expanding the blood volume and causing an increase in vessel pressure.
  • The antidiuretic hormone, also known as vasopressin hormone, is released by changes in serum osmolarity or blood volume. Its function is to keep homeostasis and make kidneys conserve or keep water by concentrating urine and by reducing its volume. By these actions, the antidiuretic hormone stimulates water reabsorption, according to the organism´s needs.
  • Kidneys control blood pressure in many ways. If the pressure is elevated, kidneys produce the loss of salt and water, normalizing arterial pressure. But if pressure is low, kidneys conserve water.          
3 0
3 years ago
Differentiate between the parts of an atom?
BigorU [14]

Answer:

A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons.

Explanation:

An element is a substance that is made entirely from one type of atom. ... A compound is a substance made from two or more different elements that have been chemically joined.

5 0
3 years ago
Which statement BEST describes the most likely reason that swimming in a group can help fish
masya89 [10]

The statement 'fish are able to swim faster in a group to avoid being caught by the predator' BEST describes the most likely reason that swimming in a group can help fish avoid a larger predator.

<h3>What is an adaptation?</h3>

An adaptation is an evolutionary strategy to increase the chances of surviving and reproducing in a given environment.

In this case, swimming in a group can minimize friction in the aquatic environment and thus swim faster.

Evolutionary strategies and adaptations may also be individual, but they always have the same objective.

Learn more about adaptations here:

brainly.com/question/1213023

7 0
2 years ago
"The goal during digestion is to break carbohydrates, proteins, and lipids down into smaller units, including ____."
Viktor [21]

Glucose,  amino acids, lipids and glycerol.

Explanation:

Carbohydrate is broken into glucose molecules

protein is  broken into amino acids

Lipid is broken into fatty acids and glycerol.

Starch present in the food is broken to glucose molecules to yield energy.

Protein is digested in stomach by the action of pepsin, trypsin and chymotrypsin.

Glycosidic bonds of starch is broken down by salivary and pancreatic amylase enzyme.

fat is acted upon by lipase enzymes from pancreatic and intestinal juices.

these are broken into smaller units so that gets absorbed by blood and carries throughout the body.

4 0
3 years ago
Other questions:
  • When making a drive to the basket in a basketball game, your ____ nervous system sends signals to your muscles to coordinate you
    10·1 answer
  • Which statement correctly explains the polarity of the water molecule?. A) The hydrogen end of the molecule has a partial negati
    5·2 answers
  • What features are formed when oceanic plates converge? Mark all that are correct. Question options: A) Oceans B) Earthquakes C)
    10·1 answer
  • What is "jadranski klobučić"
    6·1 answer
  • A human skin cell contains 46 chromosomes. How many chromosomes are present in a human egg cell? A 23 B 46 C 92 D 138
    11·2 answers
  • What is another word for "obtains and uses energy"?
    13·2 answers
  • Light is an example of which type of energy?
    14·1 answer
  • What word describes a membrane that only allows certain things through it?
    11·1 answer
  • Someone help me pleaseee with the answers to both of em
    13·1 answer
  • I need help with this
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!