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scZoUnD [109]
3 years ago
5

Where does actual oxygen exchange take place in the human respiratory system? A. bronchi B. trachea C. diaphragm D. alveoli

Biology
2 answers:
sweet [91]3 years ago
8 0
Your answer is going to be C I have a 100% in biology
sattari [20]3 years ago
4 0

The Answer is D alveoli

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Please help i need to finish this today before bed and i need a passing grade to start my next assignment.
AveGali [126]
An answer might be - <span>Any of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of one or more chains of amino acids. Proteins are fundamental components of all living cells and include many substances, such as enzymes, hormones, and antibodies, that are necessary for the proper functioning of an organism. They are essential in the diet of animals for the growth and repair of tissue and can be obtained from foods such as meat, fish, eggs, milk, and legumes.


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4 0
3 years ago
There are some phylum including
vredina [299]

Explanation:

 

Worms are invertebrate animals with bilateral symmetry. Worms have a definite anterior (head) end and a posterior (tail) end. The ventral surface of worms and other organisms is the bottom side of the body, often closest to the ground. The dorsal surface is located on the upper part of the body facing the sky. The lateral surfaces are found on the left and right sides of the body. Figure 3.35 compares bilateral symmetry in a whale shark and a swimming plychaete worm. Organs for sensing light, touch, and smell are concentrated in the heads of worms. They can detect the kinds of environment they encounter by moving in the anterior direction

4 0
3 years ago
Which of the following is NOT true?
Vinvika [58]
The answer is C, I hope this helped you:)
3 0
3 years ago
Both human activity and natural forces contribute to the levels of carbon dioxide in the atmosphere. Which of the following cont
grin007 [14]
Plato fam the answer is C. Using fossil fuels for energy add me on Instagram haleyjenkins423

:have a blessed day
5 0
3 years ago
An exocrine gland that has an unbranched duct would be classified as a __________.
Firdavs [7]

Answer:

B) Multicellular Simple gland

Explanation:

Exocrine Glands:Glands that secrete their products onto the apical(or epithelia) surface directly or via epithelial ducts or tubes that are connected to the apical surface. These Exocrine glands are composed of highly specialized epithelial cells..

Exocrine glands can either be branched or Unbranched based on the arrangement.

*Multicellular simple glands*:Glands that have an *unbranched duct* into which cells secrete. Each secretory portion empties separately on an epithelial surface.

6 0
3 years ago
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