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
Ghella [55]
3 years ago
11

What are these structures stop blood flowing backwards into the atria.

Biology
1 answer:
wel3 years ago
6 0

Answer:Valves stop blood flowing backwards

Explanation: Valve are flags of tissue that control the direction of the blood in our heart.,it prevent the backwards flow of blood. valves regulate blood from flowing back into the atria.The right and left atrio-ventricular valves prevent blood from flowing backwards into atria. When the ventricle is full,the valve prevent backwards flow of blood.

You might be interested in
4. Which material dissolves<br> most substances in chemical<br> weathering?
Assoli18 [71]

Answer:

Water is important in chemical weathering because most substances dissolve in water.

The process of dissolving breaks up the minerals in the rock into small pieces. The small pieces mix with water to form.  

Acids are also agents of chemical weathering and cause more chemical weathering than pure water does.

7 0
3 years ago
Read 2 more answers
Characteristics of plasmodium​
icang [17]

Explanation:

Characteristics of Plasmodium

They characteristically show the presence of apical complex.

Apical complex consists of polar rings, rhoptries, micronemes, mitcochondrions, microtubules and microspores

Organs for locomotion

They show slight amoeboid change of form

The parasite in their life cycle shows an alternation of generation accompanied by an alternation of host

4 0
3 years ago
Read 2 more answers
When there is not enough carbon dioxide in a plant, a process called photorespiration may occur. This process uses the excess ox
sergiy2304 [10]

A prolonged period of photorespiration would affect a plant, giving a significant evolutionary advantage to plant species in dry climates.

<h3>What is the difference between photorespiration and respiration?</h3>

One of the basic differences between photorespiration and respiration concerns the effect of O2 on the two processes. Respiration saturates when O2 reaches approximately 2%, while photorespiration does not reach saturation in a pure O2 atmosphere.

<h3>Under what conditions does photorespiration occur?</h3>

Photorespiration is an expensive metabolic pathway that occurs when the Calvin Cycle enzyme rubisco acts on oxygen instead of carbon dioxide.

With this information, we can conclude that A prolonged period of photorespiration would affect a plant, giving a significant evolutionary advantage to plant species in dry climates.

Learn more about photorespiration in brainly.com/question/13433623

#SPJ1

5 0
1 year ago
Define what terms origin, insertion and tendon
artcher [175]

Answer:

<u>Origin:</u> In biology, origin can be described as the location where the muscle joins a stationary bone and as a result, no movement occurs.

<u>Insertion: </u>In anatomy, insertion can be described as the point of attachment which allows movement of a bone to occur. It moves when the muscles contract.

<u>Tendon:</u> In biology, the tendon can be described as a type of connective tissue which attaches a bone to a muscle.

6 0
3 years ago
Vertical stratification means?
Arturiano [62]
Stratification in the field of ecology refers to the vertical layering of a habitat; the arrangement of vegetation in layers. ... strata) of vegetation largely according to the different heights to which their plants grow. The individual layers are inhabited by different animal and plant communities (stratozones).
7 0
2 years ago
Read 2 more answers
Other questions:
  • Disruptive selection favors individuals at ______ of variation. one extreme both extremes in the middle none of the above
    15·1 answer
  • Which of the following levels of organization is the largest,Phylum,class,order,group
    9·1 answer
  • Which kind of investigations never include a hypothesis?
    8·2 answers
  • What would a scientist most likely do to demonstrate the effects of a tsunami?
    7·2 answers
  • Kudzu is a vine that was brought to the us from japan to prevent erosion once here kuduz became invasvie what role does kuduz mo
    12·1 answer
  • Which statement best explains how two identical copies of a very large molecule can be made during DNA replication?
    15·2 answers
  • On one of the compound microscopes in the lab, the diameter of the field of view at a total magnification of 100X was measured t
    9·1 answer
  • ❗️❗️EARTH SCIENCE CLASS ❗️❗️Climate factors are the things that established and have changed the Earths climate for billions of
    13·1 answer
  • The cells illustrations below represent different stages of meiosis. In which order would these stages
    15·1 answer
  • How does base pairs relate to bees
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!