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monitta
3 years ago
13

The respiratory zone is the site of gas exchanges and includes any structure in which are found

Biology
1 answer:
madreJ [45]3 years ago
6 0
In the digestive system
You might be interested in
How many atoms are in a 70 kg human?
topjm [15]

Answer:

7 followed by 27 zeros

Explanation:

The body of an adult man weighing 70 kg is made up of approximately 6.7 • 10 ^ 27 atoms.

The body of an adult male contains approximately 57% water, but if we look by weight, hydrogen is only 11%, while if we look at the mutual ratio of atoms in water, there are a total of 67% hydrogen atoms.

In this way, most of the weight (mass) of the human body comes from oxygen, but most of the atoms in the body are hydrogen.

4 0
3 years ago
Tameeka is at a point in her pregnancy during which she is experiencing muscle contractions and movement and kicks. which period
Tema [17]
Since Tameeka is experiencing contractions, this means that she must already be in her third trimester. Contractions usually happen around 38 weeks into the pregnancy. In week 38, the baby is already at the fetal stage which is the third stage of prenatal development.
4 0
3 years ago
Which of the methods of transport into or out of the cell require energy? Which do not?
Contact [7]

Answer:

passive transport and diffuision

Explanation:

it  requires no energy from the cell. Examples include the diffusion of oxygen and carbon dioxide, osmosis of water, and facilitated diffusion. diffusion does not.

4 0
3 years ago
Before classifying insects into different orders, review the larger classifications for insects:
sukhopar [10]

For an organism to be classified in the animal kingdom it is necessary for that organism to be eukaryotic and multicellular. In addition, he must not be able to produce his own food (he must be heterotrophic), and must eat by eating food taken from the environment.

To be classified in the dilo arthropoda, the organism must have an external skeleton, a segmented body and articulated legs.

To be classified in the insect class, the organism must have a separate body in the head, chest and abdomen, have two antennae, two pairs of wings and three pairs of legs.

4 0
4 years ago
Which of the following belong to the Cilates?
Salsk061 [2.6K]

Answer:

Paramecium.

Explanation:

Ciliates are group of protozoans organisms that are characterized by special organelles called cilia.

Cilia is used for loccomotion in ciliates and can also be use to move food into the body. The cilia can be use for swimming, crawling, for attachment and sensation. Some ciliates are free living while some are parasitic. They are found in the aquatic habitats both fresh water and ocean.

7 0
3 years ago
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