BIOLOGY HIGH SCHOOL

An example of human systems that work together to provide nutrients for the cells and tissues isA. digestive system and nervous system
B. circulatory system and nervous system
C. circulatory system and digestive sytem
D. nervous system and urinary system

Answers

Answer 1
Answer:

Answer:

The answer is C

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Which of these facts about wild boars is best supported by the evidence provided?

Answers

Here are a couple of facts about boars based on the evidence found by the scientists :
- Boars have been domesticated by humans since 13,000 BC
- Boars are originated from Iberian Pigs
- Wild boar vocalizations are acoustically continuous

Which method is best for tracking your progress with weight traingin?

Answers

A chart. To count reps and such. And know when to add more weight of the bars and the like.

What 3 things are in a nucleotide

Answers

Answer:

A simple sugar, a phosphate group, and a nitrogen base

When you start to exercise, the body responds in various ways due to internal stimuli. one response is an increase in heart rate. identify a stimulus that would cause an increase in heart rate. a.a decrease in body temperature
b.an increase in oxygen levels in the blood
c.a decrease in the rate of cellular respiration
d.an increase in carbon dioxide levels in the blood?

Answers

Answer: The correct answer is D) An increase in carbon dioxide level in the blood.

During exercise, contraction of muscles take place very quickly as they work harder during exercise. As more oxygen is required to burn calories efficiently, the demand for oxygen supply increases.  

When we start exercising, body temperature increases as the rate of cellular respiration also increases.

An increase in carbon dioxide in the blood causes increase in heart rate as there is more demand of oxygen for efficient contraction of the muscles.
D.an incerase in carbon dioxide levels in the body.

Many insects have a tough outer shell called _____. an exoskeleton cellulose an endoskeleton chitin

Answers

Answer:

An exoskeleton.

Explanation:

Tough outer shell of many insects is known as exoskeleton that represents an external skeleton. The exoskeleton provides protection and support to the insects body as they lack an internal skeletal system as higher organisms. In insects, it is made up of chitin.

Exoskeleton also plays role in sensing, feeding, excretion, and protection against desiccation in land insects.

Thus, the correct word to be filled in the blank is 'exoskeleton.'

 
The correct answer is an exoskeleton

What condition is a result of using an anaerobic digester

Answers

The condition involving a series of biological processes in which biodegradable material is broken down by microorganisms in the absence of oxygen to make biogas or biofuel. This end product is used for generating electricity, converting it into transportable fuel or variety of other purposes. This method is in practical use in several places. 
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