The immediate source of the intracellular fluid surrounding all human body cells is capillaries.
Interstitial fluid forms the immediate environment of all cells.
What are capillaries?
- Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them.
- They help to connect your arteries and veins in addition to facilitating the exchange of certain elements between your blood and tissues.
- Capillaries are delicate blood vessels that exist throughout your body.
- They transport blood, nutrients and oxygen to cells in your organs and body systems.
- Capillaries are the smallest blood vessels in your vascular system.
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They use tools to help take precise measurements, carry out experiments, and make observations.
Answer:
Chitinous exoskeleton and segmented bodies.
Explanation:
Phylum Arthropoda are known as jointed legs species which include crabs, spiders, ants, etc. The important characteristic of Arthropoda is they have a hard chitinous exoskeleton that provides them protection and gives flexibility. These phylum species can survive in both terrestrial and marine habitats. Some characteristics of phylum Arthropoda are given below:
1) They have Chitinous exoskeleton which is hardened.
2) Their digestive tract is present at opposite ends of the body and complete with the mouth and anus.
3) They contain jointed limbs.
4) The body structure of these species is showing bilateral symmetry.
Answer:
it is the thymus
Explanation:
this is where the t cells and b cells are made
1.) Enzymes are a type of protein that speeds up the rate of chemical reactions
2.) Catalase is an enzyme in the liver that hydrogen peroxide (H2O2)
3.) By lowering the activation energy needed
4.) Catalysts
