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
Klio2033 [76]
3 years ago
12

what happens when the diaphragm contracts? a. the volume of the thoracic cavity increases. b. the diaphragm rises. c. the volume

of the thoracic cavity decreases. d. the rib cage moves down.
Biology
2 answers:
ehidna [41]3 years ago
5 0
The answer would be D-the rib cage moves down.
Diano4ka-milaya [45]3 years ago
3 0
D. the rib cage moves down
You might be interested in
Giving brainliest <br> Which organelle allows for the movement of materials in and out of the cell?
aivan3 [116]

Answer:

cell membrane.

Explanation:

7 0
3 years ago
What neural and hormonal mechanisms control digestion?
Murrr4er [49]

Answer: Vagovagal reflex control circuits in the dorsal vagal complex of the brain stem provide overall coordination of gastric, small intestinal, and pancreatic digestive functions.

Explanation:

6 0
3 years ago
??????????????????????
e-lub [12.9K]
1) C

2) D

3) D (based on my understanding ..)

4) A

5) i cant see letter D
5 0
3 years ago
Conor and contrast rill erosion and gully erosion
Andru [333]

Answer:

Explanation:

Rill erosion is caused by slow movement of water along small channels on bare land with less vegetative cover. Gully erosion creates a deep channels that the surface runoff is further enhanced. The water movement is faster, creating a deeper channels.Apr 16, 2015

8 0
3 years ago
Read 2 more answers
1the diagram shows the normal sequence of genes in a particular chromosome which chromosome could have resulted from a deletion
sleet_krkn [62]

<u>Answer</u>:

1. A. abc*ghijklmn

Through deletion, the part of the chromosome -def* was lost.

2. C. 0%

Two parents with B and AB will produce children with A, B or AB blood types. Never an O child. In order for this to be possible, the father would have to be A, B or O.

3. John

The gel electrophoresis  method will separate the DNA according to molecular size. This pattern is unique to each individual.

4. B. Abnormal female - 47 chromosomes.

On chromosome pair 21 it can be observed a third copy of this chromosome. This is caused by the Down syndrome, also known as trisomy 21. It is a female, because the last chromosome pair, number 23 has two identical copies, commonly denoted as XX.

6 0
3 years ago
Other questions:
  • What event was most responsible for the U.S. Congress's passing the National
    10·1 answer
  • Describe at least one function for each type of biological macromolecule?
    13·2 answers
  • The ___ chromosome is the sex determiner for many species<br><br> a. Female <br> b. Male
    8·2 answers
  • Case study - are invading bullfrogs harmful?
    13·1 answer
  • Will give brainliest:
    7·1 answer
  • A scientist has 400 grams of a radioactive substance with a half-life of one year. The amount of the substance that the scientis
    12·2 answers
  • HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
    15·2 answers
  • Cells are the basic unit of _______ and______
    13·2 answers
  • The image below shows several different organisms that have the ability to fly. All of these organisms have adapted to similar e
    5·1 answer
  • Describe the steps in which a gene in passed from parent to offspring. Make sure to describe how the gene is duplicated, separat
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!