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snow_lady [41]
4 years ago
11

What part of the brain controls breathing and heart rate?

Biology
1 answer:
Novosadov [1.4K]4 years ago
5 0

Answer:

B. Brain stem

Explanation:

The brain stem controls basic body functions such as breathing, swallowing, heart rate, blood pressure, consciousness, and whether one is awake or sleepy.

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Why do you think that plants have both Chloroplasts AND mitochondria?
LuckyWell [14K]

Answer:

Explanation:

ells need both chloroplasts and mitochondria to undergo both photosynthesis AND cell respiration. After photosynthesis, which chloroplasts are needed for, which yields oxygen and glucose, plants need to break down the glucose and they use cell respiration to do this, which happens in the mitochondria.

4 0
3 years ago
What is the definition of muscle tissue?
WINSTONCH [101]
Muscle tissue is a soft tissue that composes muscles in animal bodies, and gives rise to muscles' ability to contract. This is opposed to other components or tissues in muscle such as tendons or perimysium. It is formed during embryonic development through a process known as myogenesis.
3 0
4 years ago
how do oxygen and carbon dioxide cross from the alveoli through the capillary walls and into the blood?
Fofino [41]

Answer:

The concentration gradient of oxygen in your lungs wants to flow toward homeostasis and oxygen is bound on red blood cells by hemoglobin, along with the attraction of oxygen to hemoglobin. The concentration gradient from carbon dioxide from the capillary to the lungs. There is more oxygen in your lungs (alveoli) than there is carbon dioxide and everything want to reach homeostasis, or level amounts on both sides.

Explanation:

6 0
3 years ago
Imagine you are an astronomer who recently discovered a star with a system of planets. What
irina1246 [14]

The planets closest to the star are rocky planets formed by elements with high melting points. Moreover, planets far away are gaseous planets and they are composed of elements with lower melting points.

<h3>Rocky planets and gaseous planets</h3>

The rocky planets consist of silicate rocks and/or metals, whereas gaseous planets are mainly composed of hydrogen and helium.

The rocky planets of the solar system include planets closest to the sun, i.e., Mercury, Venus, the Earth, and Mars.

The gaseous planets of the solar system include faraway planets, i.e., Jupiter, Saturn, Uranus, and Neptune.

Learn more about rocky planets here:

brainly.com/question/17428928

3 0
3 years ago
Anyone know this? thanks
agasfer [191]

Answer:

it's ground water because it just is just put groundwater

5 0
3 years ago
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