All categories

2 years ago

Dan was running, and he tripped and hurt his knee. The pain signals were carried to his brain by the:

Biology

1 answer:

Maru [420]2 years ago

3 0

Answer: Central Nervous System

Explanation:

The emotions such as pain, happiness, trauma and other sensory things are controlled by the brain. The things that we feel like pain, heat, cold et cetera are also controlled by the brain.

The nervous system has two parts peripheral nervous system and the central nervous system. The pain signals are carried from the knees to the brain by the central nervous system.

You might be interested in

Round seeds (R) are dominant to wrinkled seeds (r), and yellow seeds (Y) are dominant to green seeds (y). What is the expected p

asambeis [7]

Answer:

The correct answer would be- 1:1:1:1.

Explanation:

According to the question the cross between the two pea plants with the genotype RrYy and rryy where R for round seeds and r for recessive form that expressed wrinkled seed character. The other character of this dihybrid cross is the color of the seds Y for green and y for yellow seeds.

The cross is shown in the image attached that suggests that phenotypic ratio would be 1:1:1:1 as RrYy, Rryy, rrYy, and rryy.

Thus, the correct answer is : 1:1:1:1.

3 0

3 years ago

What is an Igneous Rock?

juin [17]

Answer:

rock that forms when melted rock (magma, lava) cools and hardens

Explanation:

Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava. The magma can be derived from partial melts of existing rocks in either a planet's mantle or crust.

Brainliest plz

8 0

2 years ago

Which subatomic particle has the least mass

Goryan [66]

the answer is electron.

8 0

3 years ago

Read 2 more answers

Someone answer this. It’s a page titled “ How does The Mitochondria Produce Energy For The Cell “

Oxana [17]

Answer AND Explanation:

They provide site for break down of glucose into water, carbon dioxide and energy in form of ATP for the tissue cells.
Muscle cells would have more mitochondria because they require more energy than other cells in the body.
Glucose is broken down in the mitochondria
Aerobic respiration
Glucose is obtained from meals that are consumed
The process is called aerobic respiration because glucose is broken down in presence of oxygen.
ATP is the energy molecule created during respiration

4 0

2 years ago

Radiation, chemical, and infectious agents are

vlada-n [284]

Answer:

Radiation, chemical, and infectious agents are mutagens or environmental factors that can cause a mutation

Explanation:

Mutagens are agents that can interfere with DNA and cause a mutation. They can cause chemical changes, structural changes or breakages that end up altering the sequence of the DNA. This results in mutations which can cause diseases such as cancer.

4 0

2 years ago