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
kozerog [31]
3 years ago
7

How many chambers does the heart contain? a. 3 b. 4 c. 5 d. 6

Biology
2 answers:
madam [21]3 years ago
8 0


The best answer is b.  4

The human heart has  four chambers - two atria and two ventricles.

1. Right atrium -  receives oxygen-poor blood from the body and pumps it to the right ventricle.

2. Right ventricle -  pumps oxygen-poor blood to the heart.

3. Left atrium - receive oxygen - rich blood from the  lungs.

4. Left ventricle - pumps oxygen rich blood to the body.

The heart is a muscular organ. It is about the size of a closed fist. It is located in the thoracic cavity. It is protected by the rib cage and is the major organ of the circulatory system.



elena55 [62]3 years ago
6 0

Answer:b

Explanation: the human heart contains 4 chambers -2 atria and 2 ventricle while a fish contains only 2 chambers- 1 auricle and 1 ventricle.

In humans, the right atrium receives deoxygenated blood and transfers it to right ventricle from where it gets transferred to the blood. Left atrium receives the pure blood and transfers it to left ventricle.

You might be interested in
Explain how warm atmospheric conditions lead to severe storms.
Alchen [17]

Thunderstorms

Layers of warm, moist air rise in a strong updraft to cooler areas of the atmosphere, whereupon thunderstorms form. At that location, the updraft's moisture condenses to create imposing cumulonimbus clouds and, eventually, precipitation.
Thunderstorm development requires three basic components: moisture, an unstable atmosphere, and a method to get the atmosphere moving. To create thunderstorm clouds and precipitation, moisture is required.
The warm air cools and condenses as it ascends, generating tiny water droplets. When there is sufficient instability in the atmosphere, warm air rises swiftly, and the water vapor condenses quickly to form cumulonimbus clouds. Usually, it takes less than an hour for these cumulonimbus clouds to form.

To learn more about Thunderstorms please visit -brainly.com/question/14394619
#SPJ1

5 0
2 years ago
(FW.02]The diagram below shows a portion of the water cyle.
Simora [160]

Answer:

I would have to say recharge of the aquifer by using ground water after some precipitation.

Explanation:

Melting snow or rain increases ground water that percolates down to replenish the aquifer.

Elevation changes causes the aquifer to flow up in low spots/springs on the surface.  And the cycle repeats through evaporation and plant respiration.

3 0
3 years ago
What distinguishes a plant from algae
saul85 [17]
The differences between a plant and algae are:
- lack of vascular tissue in algae. 
- different types of chlorophyll used in chloroplasts
<span>- bsence of "root, stem, leaf" structure

I hope that this is the answer that you were looking for and it has helped you.
</span>
3 0
3 years ago
Which of these are products of digestion?
krok68 [10]

Answer:

amino acids , glucose

Explanation:

Proteins are digested to form amino acids

starch is broken down to form glucose

3 0
3 years ago
Read 2 more answers
Which of the following is NOT a fungus?
FinnZ [79.3K]

Answer:

The correct answer is a. the photosynthetic part of a lichen.

Explanation:

Lichen is a symbiotic association in which the algae and fungi are associated with each other. Fungus can not make there own food so they are not photosynthetic like algae or plants and in lichens algae are the photosynthetic part while fungus plays the role of absorbing nutrients for the algal partner.

Lichens are found all over the world and they absorb industrial pollution very quickly so are also referred to as pollution indicators of the environment as they do not grow in a polluted area.  

Therefore the photosynthetic part of lichen is algae, not fungus so the correct answer is a.

5 0
3 years ago
Other questions:
  • Suppose two independently assorting genes are involved in the pathway that determines fruit color in squash. these genes interac
    6·2 answers
  • Which has a protein coat instead of a membrane a living organism or a virus
    5·2 answers
  • This organelle most likely belongs to which organism?
    9·2 answers
  • George is interested in insects and wants to do an experiment. Which of the following is a scientific question about insects tha
    5·2 answers
  • When a doctor suggests following a diet low in saturated fats, which of these products is preferred when cooking?
    9·1 answer
  • What are the six kingdoms
    13·1 answer
  • What is a ionic bond.
    13·2 answers
  • How is fossils the best evolutionarily evidence for scientist
    14·1 answer
  • Which process is part of the hydrologic cycle?
    10·1 answer
  • Which of the following compounds cannot freely diffuse through the plasma membrane
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!