Give an example of a physiological negative feedback mechanism.

Regulation of body temperature: when body temp rises, vasodilation and sweating help lower it; when it falls, shivering and vasoconstriction help raise it.

The maintenance of relatively stable internal conditions

What are the four major classes of biomolecules in the human body?

Carbohydrates, lipids, proteins, nucleic acids.

What is the role of ATP in cells?

stores energy in its phosphate bonds and provides energy

What is facilitated diffusion?

Passive transport of molecules via membrane proteins

What are the four primary tissue types?

Epithelial, connective, muscle, nervous.

Give a function of connective tissue.

Support, binding structures, protection, transport blood, storage of fat

What are the main cell types in bone?

Osteoblasts (bone-forming), osteocytes (mature bone cells), osteoclasts (bone-resorbing)

How do bones grow in length?

Through endochondral ossification at the epiphyseal plates.

Which bones comprise the axial skeleton?

Skull, vertebral column, rib cage, and hyoid.

What is the importance of the foramen magnum?

It is the large opening in the base of the skull where the spinal cord passes.

What is the difference between male and female pelvis?

Female pelvis is wider, shallower, with larger pelvic inlet/outlet for childbirth.

Name the three structural classifications of joints.

Fibrous, cartilaginous, synovial.

What is the difference between abduction and adduction?

Abduction = movement away from midline; Adduction = movement toward midline.

What are the main proteins involved in muscle contraction?

Actin (thin filament), myosin (thick filament), tropomyosin, troponin.

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physiology

physiology week 1-6

Question	Answer
Give an example of a physiological negative feedback mechanism.	Regulation of body temperature: when body temp rises, vasodilation and sweating help lower it; when it falls, shivering and vasoconstriction help raise it.
What is homeostasis?	The maintenance of relatively stable internal conditions
What are the four major classes of biomolecules in the human body?	Carbohydrates, lipids, proteins, nucleic acids.
What is the role of ATP in cells?	stores energy in its phosphate bonds and provides energy
What is facilitated diffusion?	Passive transport of molecules via membrane proteins
What are the four primary tissue types?	Epithelial, connective, muscle, nervous.
Give a function of connective tissue.	Support, binding structures, protection, transport blood, storage of fat
What are the main cell types in bone?	Osteoblasts (bone-forming), osteocytes (mature bone cells), osteoclasts (bone-resorbing)
How do bones grow in length?	Through endochondral ossification at the epiphyseal plates.
Which bones comprise the axial skeleton?	Skull, vertebral column, rib cage, and hyoid.
What is the importance of the foramen magnum?	It is the large opening in the base of the skull where the spinal cord passes.
What is the difference between male and female pelvis?	Female pelvis is wider, shallower, with larger pelvic inlet/outlet for childbirth.
What is the largest bone in the body?	Femur
Name the three structural classifications of joints.	Fibrous, cartilaginous, synovial.
What is the difference between abduction and adduction?	Abduction = movement away from midline; Adduction = movement toward midline.
What are the main proteins involved in muscle contraction?	Actin (thin filament), myosin (thick filament), tropomyosin, troponin.

Created by: jayveejvr

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