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Lesechka [4]
3 years ago
10

A

Biology
2 answers:
Anit [1.1K]3 years ago
8 0

Answer:a  

a

Explanation:

Marat540 [252]3 years ago
6 0
Answer:
1

step-by-step explanation:
the way venn diagrams work is like a chain. one side is only for one the middle is for both. because both a and b are red it would be in 1
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The short narrow tube that runs from the auricle to the tympanic membrane
NNADVOKAT [17]

Answer:

External auditory meatus

Explanation:

The pinna leads into the external auditory meatus which is a tube that directs sound waves to the tympanic membrane. The tube is lined with hairs which trap solid particles that may enter the ear. It is also lined by wax secreting cells whose function is to secrete wax that traps dust and prevents entry of solid particles. The wax also maintains the flexibility of the eardrum.

4 0
3 years ago
What do you think? So why don't t apes walk upright like us?
BabaBlast [244]

Apes were basically monkeys. They walk on their hands and feet but crouched. There's a bunch of theories saying that humans evolved from apes. As apes evolved, they started walking upright.

4 0
3 years ago
What are the effects of consuming a diet made up mostly of fats?
PolarNik [594]

Answer:

acetyl-CoA concentration increases

acetone concentration increases

oxaloacetate concentration decreases

Explanation:

Mark me brainly please

8 0
2 years ago
Nutritional value facts
PolarNik [594]
Nutritional value facts are usually at the side of the container which you bought, they give you the trans fat, calories, serving size, sodium, sugar, cholesterol, carbohydrates (carbs), protein, and the type of vitamins found.
 
                                              --hope this helps :)--
5 0
3 years ago
One of the first diagnostic tools used at the hospital was an electrocardiogram (EKG or ECG), which reflects the electrical acti
Ronch [10]

Answer:

  • The heart has an intrinsic conduction system that causes electrical activity in the heart muscles causing them to contract. The intrinsic conduction system is made up specialized cells, that contain nerve and muscular characteristics.
  • The muscle cells in the heart are linked together by gap junctions, allowing cardiac action potentials to travel from one muscle cell to another.
  • Atrioventricular (AV) node. The damage to the AV node causes the electrical signals traveling from the upper chambers to the lower chambers to be impaired causing an  AV block.

Explanation:

7 0
3 years ago
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