BIOLOGY MIDDLE SCHOOL

Which statements are true about the flow of blood in the body? Check all that apply.Blood picks up oxygen from the cells of the body.
Blood delivers carbon dioxide to cells in the body.
Blood picks up carbon dioxide from the cells of the body.
Blood flows from the heart to the lungs to pick up oxygen.
Blood delivers sugar and nutrients to cells in the body.
Blood flows from the lungs to the heart to pick up oxygen.

Answers

Answer 1
Answer:

The statements 'Blood picks up carbon dioxide from the cells of the body', 'Blood flows from the heart to the lungs to pick up oxygen' and 'Blood delivers sugar and nutrients to cells in the body' are TRUE.

  • The blood contains red blood cells that bind to oxygen in order to transport it to all cells of the body.

  • Red blood cells contain hemoglobin which is a protein required to bind oxygen and carbon dioxide.

  • Moreover, red blood cells also transport nutrients such as simple carbohydrates which are required to carry out cellular respiration.

In conclusion, the statements 'Blood picks up carbon dioxide from the cells of the body', 'Blood flows from the heart to the lungs to pick up oxygen' and 'Blood delivers sugar and nutrients to cells in the body' are TRUE.

Learn more about blood transport here:

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Answer 2
Answer:

Blood picks up carbon dioxide from the cells of the body.

Blood flows from the heart to the lungs to pick up oxygen.

Blood delivers sugar and nutrients to cells in the body.

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1. Which statement best describes Mendel'sexperiments? sc.7.L.16.1
A. He began with hybrid plants.
B. He controlled pollination.
C. He observed only one generation.
D. He used plants that reproduce slowly.

Answers

Answer:

B

Explanation:

He controlled the pollination of the homozygous recessive and homozygous dominate plants which led to the discovery of recessive genes by them appearin in the third generation

Which is the best description of weathering?A. crystallizing to form minerals
   B. breaking rocks into fragments by physical or chemical means
   C. compacting rocks
   D. cementing rocks together

Answers

weathering:
A) crystallization to form minerals
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A scientist is developing a computer model to determine the maximum population size, or carrying capacity, of eagles and other birds of prey in a forest ecosystem. The model should represent allthat affect the populations.

Answers

Final answer:

The scientist is developing a model to predict the maximum population of eagles a forest can support, known as the carrying capacity. Factors influencing this include food availability, predator presence, and human activities.

Explanation:

The scientist is essentially considering factors impacting the carrying capacity, or the maximum populationsize a forest ecosystem can sustain without degradation. Several factors will influence this, including the availability of food, the presence of predators and human activity.

For example, if the primary food source of the eagles dwindles, the carrying capacity of the eagles will decrease. Similarly, if the number of predators like wolves, which might prey on young or sick birds, increases, the eagle population may decrease. The same result could occur if human activity like logging or urban development encroaches upon the eagle's habitat.

In conclusion, when developing his model, the scientist needs to incorporate variables that account for fluctuations in food availability, predator populations, and human activities in the area.

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Which 2 animals morphed together would be able to live in anarctica?

Answers

Polar bear and a penguin
The answer to this would be seals and penguins
Both with slick body's made for quick swimming. And skin that keeps them warm blooded. 
:P
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