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skad [1K]
3 years ago
11

Why do you need blood? & what organ pushes blood through your body?

Biology
1 answer:
QveST [7]3 years ago
5 0
We need blood because it carries oxygen and helps us sustain life. The organ that pushes blood through the body is the heart.
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8. The process that occurs only in the small intestine to increase the absorption of
Marina CMI [18]

Answer:

leleekkelele

Explanation:

e!!e!e!we!!eleel

e!e!elele

6 0
2 years ago
Non-native species like kudzu, zebra mussels, and nutria experience _____ outside their native area due to a lack of natural pre
maria [59]

Answer:

exponential growth

Explanation:

The organisms that are not native of a particular environment but are exposed to live in that particular environment are invasive species. Usually invasive species do not prove useful to the new area and prove harmful to the environment as well. There are some species of organisms that have been accidently introduced to new environment and have been accidently proven to be beneficial. Zebra mussels, being the native to Black Sea when arrived to North America flourished there.

3 0
2 years ago
Which two phenomena are evidence that gravitational forces are attractive? Select two statements.
Vinvika [58]

Answer:

A. the rise and fall of the tides.

C. a dropped object always falls toward Earth.

Explanation:

Gravity is considered to be a universal force of attraction which acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.

Additionally, the gravity of earth makes it possible for all physical objects to possess weight.

The two phenomena which are evidence that gravitational forces are attractive includes;

I. The rise and fall of the tides: this is caused as a result of the gravitational force of attraction exerted by the moon on earth.

II. A dropped object always falls toward Earth: this acceleration is due to the gravitational force of attraction between the Earth and the object.

7 0
3 years ago
Why are fats considered as high energy compounds?
jek_recluse [69]

Answer:

1. Fats contain mostly C-H bonds, it has less oxygen therefore making it a high energy compound

2. mRNA plays a vital role in protein synthesis. It's a single stranded RNA molecule that contains genetic information that can be taken outside the nucleus (unlike DNA which cannot leave the nucleus). Its created during transcrption, and is used during translation to create proteins

3. (Look at image)

6 0
3 years ago
What is the difference from o to m
3241004551 [841]

Letter M is in between L and N. So like this LMN and o is in between N and P. So like this NOP. So technically the difference from o to m is just one of N.

5 0
2 years ago
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