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VMariaS [17]
3 years ago
7

The _____ in the brain contributes to the body's maintenance of a steady internal physiological state, called _____.

Biology
2 answers:
AleksandrR [38]3 years ago
7 0
The hypothalamus in the brain contributes to the body's maintenance of a steady internal physiological state, called homeostasis. 
RUDIKE [14]3 years ago
3 0

Answer:

hypothalamus; homeostasis

Explanation:

The hypothalamus is located at the base of the brain, below the thalamus and above the pituitary gland and is about the size of an almond. It is divided anatomically and physiologically into three parts: anterior, middle and posterior.

The hypothalamus coordinates most endocrine functions, exerting direct action on the pituitary gland and indirect action on other glands such as adrenal, sexual gonads, thyroid and mammary glands. It also acts on regulating temperature, appetite, thirst, sleep cycle and autonomic nervous system.

From this we can conclude that the hypothalamus in the brain contributes to maintaining the body a stable internal physiological state called homeostasis.

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Oxygen and carbon dioxide pass through the plasma membrane by _____.?
romanna [79]
<span>Passive diffusion is the process through which oxygen and carbon dioxide pass through the plasma membrane. This process is unlike other forms of transport within the cell, because it is created by increased entropy in the system rather than cellular energy.</span>
5 0
3 years ago
The formation of a cell plate is beginning across the middle of a cell and nuclei are re-forming at opposite ends of the cell. W
Kay [80]

Answer:

a. a plant cell undergoing cytokinesis

Explanation:

Cytokinesis is the process where the cytoplasm divides after mitosis to form two different daughter cells from the parent cell. Animal cell divides by just a cleavage formation. Plant cells have an additional step of formation of cell plate because they have cell wall.

At the end of anaphase and beginning of telophase when the two new daughter nuclei have just formed, cell plat formation begins. Secretory vesicles from golgi body come at equator of the dividing parent cell. These vesicles release all the materials required for cell wall formation. The materials start to form the cell plate which moves outwards till it reaches the division site of parent cell wall. Slowly cell wall arises from cell plate and cytokinesis occurs giving rise to new plant cells.

7 0
3 years ago
What membranes lines the cavities and tubes in the digestive and respiratory system
Gwar [14]
Firstly they are not membranes and they are villi's which increase the surface area during digestion
7 0
3 years ago
Which of the following cells is formed by meiosis?
Lilit [14]

Answer:

B. A sperm cell

Explanation:

Meiosis creates gametes/sex cells, such as the sperm and egg.

So, sperm cells are formed by meiosis.

Meiosis doesn't create fertilized eggs, it instead creates normal egg cells.

Meiosis also doesn't create heart and bacterial cells because those are made in mitosis.

So, B is the correct answer.

6 0
3 years ago
Algae are important in the formation of coral reefs.<br> Brown<br> Red<br> Fire<br> Golden-brown
Sliva [168]

Answer:

Red algae

Explanation:

Coral reefs are the structure which are one of the some most important underwater ecosystems of the world. They are characterized by the formation of roof-building corals which are basically the colonies of dead or living polyps(corals) attached together through deposition of calcium carbonate.

Red algae has an important role in the formation of coral reefs  because their thread like structure traps the particles present in the sand of water which ultimately gives the algae a mechanical support for their growth as well as the formation of coral reefs.

Hope it helps!

6 0
3 years ago
Read 2 more answers
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