What component of the circulatory system is at the tissue level? a. blood b. white blood cell c. heart d. hemoglobin

Answers

Answer 1

Answer:

Answer;

A. Blood

Explanation;

The main organs of the Circulatory system are the heart, the brain, the lungs. There are other key things like arteries, veins, and capillaries but they are not organs.

The major tissues in the circulatory system are the epithelial, muscle, nervous, and connective tissues.

Blood is the main connective tissue in the circulatory system, but it's a liquid connective tissue. Blood tissue is in the same family as bone and cartilage, but instead it has a liquid medium that holds it together.

Answer 2

Answer: I belive it is a, because blood is a tissue.

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If a crystal has enough time and space to form and grow this is what kind of growth?
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•What seven characteristics are unique only to marine mammals—not all mammals? •What two Suborders do we classify Order Carnivora into?

Answers

PART 1

1. They nurse their young with milk produced by mammary glands.
2. There are international laws and treaties that protect marine mammals.
3. Unfortunately, many marine mammals are considered endangered species and there are still threats to most of their populations, such as illegal hunting, pollution, climate change, and habitat loss.
4. They have adapted to living all or part of their life in the ocean.
5. To keep warm in the ocean, most of them depend on a thick layer of blubber (or fat).
6. To be able to stay under water for long periods, they store extra oxygen in their muscles and blood.
7. They also have more blood than land mammals in proportion to their body sizes, can direct their blood flow to only their vital organs (such as their heart and lungs), and can slow their heartbeat down so they are using less oxygen in a dive.

PART 2
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Cetacea The Order Cetacea is the group of marine mammals that includes the cetaceans - the whales, dolphins andporpoises.There are 86 species of cetaceans, and these are divided into two suborders - the mysticetes (baleen whales, 14 species) and odontocetes (toothed whales, 72 species).

Hope this helped...Good luck!

Which terms below are associated with communication between neurons?chemical signals, electrical signals, synapse

chemical signals, synapse, neurotransmitters

synapse, electrical signals, chemical signals

synapse, electrical signals, neurotransmitters

Answers

Answer:

The correct answer is synapse, electrical signals, neurotransmitters.

Explanation:

Neuron communicates with other neurons via action potentials and chemical neurotransmitters through the synapse.

Two neurons form a junction that is termed as a synapse, there an action potential that results in neuron A to release a neurotransmitter (chemical).

Synapses are thought of as the site of converting an electrical signal into a neurotransmitter release which is a chemical signal.

Thus, the correct answer is synapse, electrical signals, neurotransmitters.

Answer:

Explanation:

The species of plasmodium that cause the disease malaria are found in

Answers

It is found in certain mosquitoes.

Haploid/gametes/sex cell number in humans is ___________

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Answer:

Explanation:

Human somatic cells have 46 chromosomes, including 22 homologous pairs and one pair of nonhomologous sex chromosomes. This is the 2n, or diploid, condition. Human gametes have 23 chromosomes, one each of 23 unique chromosomes. This is the n, or haploid, condition.

I hope this helped :)

How many hormones does a girl have.

Answers

There is to many hormones to count actualy, I found information about 68 (or even more) hormones in human body, but probably many hormons still have to be discovered :)

There are too many hormones to claculate. Biologists find new hormones periodically.I have a biology book which has a list of hormones. According to that, there are 67 known at present.

A well-tested explanation for a set of observations or experimental results is aa. law.
b. rule.
c. theory.
d. hypothesis.

Answers

A well-tested explanation for a set of observations or experimental results is a theory. When we're talking about theories, we're talking about a set of hypothesis about a certain topic which have been shown to work and be correct but aren't completely proven up to the point where we could say they always hold true.

c. a theory...........

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Organic fat will not dissolve in water

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