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lesya [120]
4 years ago
11

When did doctors start using heart transplants on the public? How many lives have been saved by heart transplants?

Biology
1 answer:
Sveta_85 [38]4 years ago
6 0
December 3, 1967. It has saved over half a million lives across the world.
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alexdok [17]

Answer:

B. Amplitude: 30cm; wavelength: 110cm

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3 years ago
The set of all populations inhabiting a certain area is called a(n):
zheka24 [161]
A community refers to the total number of populations that inhabit a specific location or area. This is part of the levels of organization of life. Arranged from the least complex to most complex it falls 8th in the category. Below are the organization of life:<span>

a. Organelles - the basic part of a living organism. It refers to the different structures of the cell, whether prokaryotic or eukaryotic. (Ex. Mitochondria, nucleus)
b. Cells - building blocks of life that are composed of different molecules responsible for the function of an organism. (Example: prokaryotic, eukaryotic cells)
c. Tissues - combinations of cells that carry out a specific function in an organism. (Example: Human skin)
d. Organs - collections of tissues that perform specific functions. (Ex. heart, lungs)
e. Organ Systems - composed of interconnected organs that function as a whole. Many organisms, particularly mamamals, are composed of organ systems. (Ex. respiratory, circulatory systems)
f. Organisms – individual entities that specifically make-up a population. (Ex. Each tree in the forest is an organism, each animal in sea is an organism)</span>
g. Population – species living within a specific location. It could be the same or different species that inhabit a place. (Ex. Birds are species in the forest as well as bears)
h. Community – refers to the total number of populations that inhabit a specific location. (Ex. All of the trees, insects, birds that inhabit the forest are a community)
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8 0
4 years ago
Read 2 more answers
What are the Seven parts of the water system
koban [17]

1: Evaporation

2: Condensation

3: Sublimation

4: Precipitation

5: Transpiration

6: Runoff

7: Infiltration

4 0
3 years ago
Atrial natriuretic peptide secreted by the heart has exactly the opposite function of ________ secreted by the zona glomerulosa.
Westkost [7]

Answer:

The correct answer is - option A. aldosterone.

Explanation:

Aldosterone is secreted by the Zona glomerulosa of the adrenal cortex of the adrenal gland. It is mineralocorticoid which is a steroid hormone that signals the kidney to prevent sodium ion and water in case of low blood pressure and volume in vessels. To save the water and ion of salts it promotes the reabsorption and leads to low urine output.

On another hand, ANP or atrial natriuretic peptide which release from the heart and enhances the urine output in response to high blood volume and pressure as it ceases the release of the Aldosterone.

Thus, the correct answer is - option A.

6 0
3 years ago
When making a circle graph what angle represents 20%
Hitman42 [59]

Answer:

The central angle is 20% of 360°, that is

central angle = \frac{20}{100}

100

20

× 360° = 0.2 × 360° = 72° → C

5 0
3 years ago
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