The correct option is C.
Obligate anaerobes are micro organisms that are poisoned and killed when exposed to the normal atmospheric oxygen concentration. These organisms can only survive in the absences of oxygen, therefore, they carry out only anaerobic form of respiration in order to obtain the energy that they need. <span />
In a discrete water molecule, there are two hydrogen atoms and one oxygen atom<span>. Two </span>molecules<span> of water can form a hydrogen bond between them; the simplest case, when only two </span>molecules<span> are present, is called the water dimer and is often used as a model system</span>
Body systems include:
Circulatory-
INCLUDES: Heart, blood vessels, blood lymph nodes and vessels, lymph
FUNCTIONS: Transports nutrients, wastes, hormones, and gases
Digestive-
INCLUDES: Mouth, throat, esophagus, stomach, liver, pancreas, and small and large intestines.
FUNCTIONS: Extracts and absorbs nutrients from food; removes wastes; maintains water and chemical balances.
Endocrine-
INCLUDES: Hypothalamus, pituitary, pancreas, and many other endocrine glands.
FUNCTIONS: Regulates body temperature, metabolism, development, and reproduction; maintains homeostasis; regulates concentration of body fluids.
Excretory-
INCLUDES: Kidneys, urinary bladder, ureters, urethra, skin, lungs
FUNCTIONS: Removes wastes from blood; regulates conccentration of body fluids.
Immune-
INCLUDES: White blood cells, lymph nodes and vessels, skin.
FUNCTIONS: Defends against pathogens and disease.
Integumentary -
INCLUDES: Skin, nails, hair
FUNCTIONS: Protects against injury, infection, and fluid loss; helps regulate body temperature.
Muscular-
INCLUDES: Skeletal, smooth, and cardiac muscle tissues.
FUNCTIONS: Moves limbs and trunk; moves substances through body; provides structure and support.
Nervous-
INCLUDES: Brain, spinal cord, nerves, sense organs.
FUNCTIONS: Regulates behavior; maintains homeostasis; regulates other organ systems; controls sensory and motor fuctions.
Reproductive-
INCLUDES: Testes, penis(in males); Ovaries, uterus, breasts(in females)
FUNCTIONS: Produces gametes and offspring.
Repertory-
INCLUDES: Lungs, nose, mouth, trachea.
FUNCTIONS: Moves air into and out of lungs; controls gas exchange between blood and lungs.
Skeletal-
INCLUDES: Bones and joints.
FUNCTIONS: Protects and supports the body and organs; interacts with skeletal muscles, producs red blood cells, white blood cells, and platelets
HOPE THIS HELPS AND PUT AS BRAINLIEST ANSWER
Answer:
Planarian
Explanation:
The design of the planarian is gentle, flat, and saddle, and it can be jewish, grey, blue, grey, or white. Two alleviation eyespot pigmented zones light intensity, are located on the flippant, triangle curvy head.
